Vocabulary of Instruments and Measurements
Aethrioscope -instrument for measuring temperature variations due to sky conditions
alcoholometer -instrument for measuring proportion of alcohol in solutions
alcovinometer-instrument to measure strength of wine
alkalimeter -instrument for measuring strength of alkalines
altimeter- instrument for measuring altitude
ammeter -instrument for measuring electrical current
anemograph- instrument for measuring pressure and velocity of wind
anemometer- instrument for measuring wind velocity
areometer- instrument used for measuring specific gravity
arthroscope- instrument for examining interior of a joint
atmometer -instrument for measuring evaporating capacity of air
audiometer -instrument for measuring acuity of hearing
auriscope -instrument for examining the ear
auxanometer- instrument for measuring growth of plants
auxometer -instrument for measuring magnifying power
ballistocardiograph- instrument for detecting body movements caused by heartbeat
barograph- instrument for recording air pressure
barometer- instrument for measuring air pressure
baroscope -weather-glass
bathymeter- instrument for recording contours of deep oceans
bathythermograph- instrument for recording water temperature as compared to depth
bolometer- instrument for measuring radiant energy or infrared light
bronchoscope- instrument for examining the windpipe
calorimeter- instrument for measuring absorbed or evolved heat
cardiograph -instrument for recording movements of the heart
cathetometer- instrument for measuring short vertical distances
ceilometer- instrument for measuring height of cloud ceiling above earth
ceraunograph- instrument for recording thunder and lightning
chlorometer- instrument for measuring amount of chlorine in a solution
chromatograph- instrument for performing chromatographic separations
chromatoptometer- instrument measuring eyes' sensitivity to colour
chronograph- instrument for recording the moment of an event
chronometer- instrument for measuring time
chronoscope- instrument for measuring very short time intervals
clinometer- instrument used to measure slopes and elevations
coercimeter- instrument for measuring coercive force
colonoscope- instrument for viewing the colon
colorimeter- instrument for measuring and determining color
colposcope- instrument for viewing the neck of the uterus
coronagraph- instrument for viewing the corona of the sun
coulombmeter- instrument for measuring electric charge
coulometer- instrument measuring amount of substance released in electrolysis
craniometer- instrument for measuring the skull
cratometer- instrument for measuring power of magnification
crescograph- instrument for measuring the growth of plants
cryometer- instrument for measuring low temperatures
cryoscope- instrument for determining freezing points of substances
cyanometer- instrument for measuring blueness of the sky or ocean
cyclograph- instrument for describing arcs of circles without compasses
cyclometer- instrument for measuring revolutions of a wheel
cymograph- instrument for tracing the outline of mouldings
cymometer- instrument for measuring frequency of electrical waves
cystoscope- instrument for examining the bladder
cytometer- instrument for counting cells
decelerometer- instrument for measuring deceleration
declinometer- instrument for measuring magnetic declination
dendrometer- instrument for measuring trees
densimeter- instrument for measuring closeness of grain of a substance
densitometer- instrument for measuring optical or photographic density
diagometer- instrument for measuring electrical conductivity
diagraph- instrument for enlarging or projecting drawings
diaphanometer- instrument for measuring the transparency of air
dichroscope- instrument for examining crystals for dichroism
diffractometer- instrument for determining structure of crystal through light diffraction
dilatometer- instrument for measuring expansion
dioptometer- instrument for measuring focus or refraction of the eyes
dipleidoscope- instrument for measuring moment when an object passes a meridian
diplograph- instrument for writing two lines of text at once
dosimeter- instrument for measuring dose of radiation
dromometer- instrument for measuring speed
drosometer- instrument for measuring dew
durometer- instrument for measuring hardness of substances
dynamograph- instrument for recording mechanical forces
dynamometer- instrument for measuring mechanical force
ebullioscope- instrument for measuring boiling point of liquids
effusiometer- instrument for comparing molecular weights of gases
eidograph- instrument for copying drawings
elatrometer- instrument for measuring gaseous pressure
electrocardiograph- instrument for recording unusual electrical fluctuations of the heart
electrodynamometer- instrument for measuring electrical current
electroencephalograph- instrument for measuring the brain's electrical impulses
electrograph- instrument for recording electrical potential
electrometer- instrument for measuring electrical potential
electromyograph- instrument for diagnosing neuromuscular disorders
electroretinograph- instrument for measuring electrical activity in the retina
electroscope- instrument for detecting electrical charges in the body
ellipsograph- instrument for describing ellipses
encephalograph- instrument for recording brain images
endoscope- instrument for visualizing interior of a hollow organ
endosmometer- instrument for measuring osmosis into a solution
epidiascope- instrument for projecting images of objects
episcope- instrument for projecting images of opaque objects
ergograph- instrument for measuring and recording muscular work
ergometer- instrument for measuring work performed
eriometer- instrument for measuring very small diameters
eudiometer- instrument for measuring air purity
evaporimeter- instrument for measuring rate of evaporation
extensometer- instrument for measuring deformation in object due to forces applied
fathometer- instrument for measuring underwater depth using sound
fiberscope- instrument using fiberoptics to examine inaccessible areas
floriscope- instrument for inspecting flowers
flowmeter- instrument for measuring properties of flowing liquids
fluorimeter- instrument for measuring fluorescence
fluoroscope- instrument using x-rays to examine internal structure of opaque object
focimeter- instrument for measuring focal length of a lens
galactometer- instrument for measuring specific gravity of milk
galvanometer- instrument for measuring electrical current
galvanoscope- instrument for detecting presence and direction of electric current
gasometer- instrument for holding and measuring gases
gastroscope- instrument for examining interior of the stomach
geothermometer- instrument for measuring subterranean temperatures
goniometer- instrument for measuring angles between faces
gradiometer- instrument for measuring gradient of a physical quantity
gravimeter- instrument for measuring variations in gravitational fields
gyrograph- instrument for counting a wheel's revolutions
haptometer- instrument measuring sensitivity to touch
harmonograph- instrument drawing curves representing vibrations
harmonometer- instrument measuring harmonic relations of sounds
helicograph- instrument for drawing spirals on a plane
heliograph- instrument for measuring intensity of sunlight
heliometer- instrument for measuring apparent diameter of the sun
helioscope- instrument for observing sun without injury to the eyes
hemacytometer- instrument for counting blood cells
hippometer- instrument to measure height of horses
hodoscope- instrument for tracing paths of ionizing particles
hydrometer- instrument for measuring specific gravity of liquids
hydroscope- instrument for viewing under water
hydrotimeter- instrument for measuring water hardness
hyetograph- instrument for recording rainfall
hyetometer- instrument for measuring rainfall
hyetometrograph- instrument for recording rainfall
hygrograph- instrument for recording variations in atmospheric humidity
hygrometer- instrument for measuring air moisture
hygroscope- instrument for displaying changes in air humidity
hypsometer- instrument for measuring height of trees through triangulation
iconometer- instrument for finding size of object by measuring its image
inclinometer- instrument for measuring inclination to the horizontal of an axis
interferometer- instrument for analysing spectra of light
iriscope- instrument for exhibiting the prismatic colours
katathermometer- instrument for measuring the cooling power of air
katharometer- instrument measuring changes in composition of gases
keratometer- instrument for measuring curvature of the cornea
keraunograph- instrument for recording distant thunderstorms
kinetoscope- instrument for producing curves by combination of circular movements
konimeter- instrument measuring amount of dust in air
koniscope- instrument for measuring dust in air
kymograph- instrument for recording fluid pressure
lactometer- instrument for testing relative density of milk
lactoscope- instrument for measuring purity or richness of milk
lanameter- instrument for measuring quality of wool
laparoscope- instrument for viewing interior of peritoneal cavity
laryngoscope- instrument for examining interior of the larynx
leptometer- instrument for measuring oil viscosity
loxodograph- device used to record ship's travels
lucimeter- instrument for measuring light intensity
luxmeter- instrument for measuring illumination
lysimeter- instrument for measuring percolation of water through soil
magnetograph- instrument for recording measurements of magnetic fields
magnetometer -instrument for measuring intensity of magnetic fields
manometer- instrument for measuring pressure of a liquid or gas
marigraph- instrument for recording tide levels
mecometer -instrument for measuring length
megameter -instrument for determining longitude by observing stars
megascope- instrument for projecting an enlarged image
mekometer -range-finder
meldometer -instrument for measuring melting points of substances
meteorograph- instrument recording a variety of meteorological observations
methanometer- instrument for detecting presence of methane
microbarograph- instrument for recording minute changes in atmospheric pressure
microcalorimeter -instrument for measuring tiny quantities of heat
micrograph- instrument used to write on a very small scale
micrometer -instrument for measuring very small distances
micronometer -instrument for measuring short periods of time
microscope- instrument for magnifying small objects
microseismograph- instrument for recording small or distant earthquakes
microseismometer -instrument for measuring small or distant earthquakes
mileometer -instrument for recording distance travelled in miles
milliammeter- instrument for recording very small electrical currents
myograph- instrument for recording muscular contractions
myringoscope- instrument for viewing the eardrum
nephelometer- instrument for measuring cloudiness
nephograph- instrument for photographing clouds
nephoscope- instrument for observing direction and velocity of clouds
nitrometer- instrument for measuring nitrogen and its compounds
odograph odometer-instrument for measuring distance travelled
odometer instrument- for measuring distance travelled
odontograph- instrument for obtaining curves for gear-teeth
oenometer -instrument for measuring alcoholic strength of wine
ohmmeter- instrument for measuring electrical resistance
oleometer- instrument for measuring amount of oil in a substance
olfactometer -instrument measuring intensity of odour of a substance
ombrometer- rain-gauge
oncometer- instrument measuring change in size of internal organs
oncosimeter- instrument measuring variations in density of molten metal
ondograph- instrument measuring change in wave formations of electricity
oometer -instrument for measuring eggs
opacimeter -instrument for measuring opacity
opeidoscope- instrument for illustrating sound by means of light
ophthalmometer- instrument for measuring the eye
ophthalmoscope- instrument for viewing the interior of the eye
opisometer- instrument for measuring curved lines
opsiometer- instrument for testing vision
optometer- instrument for testing vision
oscillograph -instrument for recording alternating current wave forms
oscillometer- instrument for measuring ship's rollings
oscilloscope- instrument for detecting electrical fluctuations
osmometer- instrument for measuring osmotic pressure
otoscope- instrument for examining the ear
pachymeter-instrument for measuring small thicknesses
pallograph- instrument measuring ship's vibration
pantochronometer-combined sundial and compass
pantograph- instrument for copying drawing to a different scale
passimeter- instrument for issuing automatic tickets
pedometer- instrument for measuring distance travelled on foot
peirameter- instrument measuring resistance of road surfaces to wheel movement
pelvimeter- instrument for measuring the pelvis
penetrometer- instrument for measuring firmness or consistency of substances
permeameter- instrument for measuring permeability
phacometer- instrument for measuring lenses
phaometer- old instrument for measuring light intensity
pharmacometer- instrument for measuring drugs
pharyngoscope- instrument for inspecting the pharynx
phonautograph- instrument for recording sound vibrations
phonendoscope- device which amplifies small sounds
phonometer- instrument for measuring sound levels
phorometer- instrument used to correct abnormalities in eye muscles
photometer -instrument for measuring light intensity
photopolarimeter- instrument for measuring intensity and polarization of reflected light
phototachometer- instrument for measuring the speed of light
phototelegraph- instrument for transmitting drawings telegraphically
phthongometer -instrument measuring intensity of vowel sounds
piezometer -instrument for measuring pressure or compressibility
planigraph- instrument for copying drawings at a different scale
planimeter -instrument for measuring area of plane figures
platometer- instrument for measuring area; planimeter
plegometer -instrument for measuring the strength of a blow
plemyrameter- instrument for measuring variations in water level
plethysmograph- instrument for measuring change in body part size due to blood flow
pluviograph- self-registering rain gauge
pluviometer- rain-meter
pneometer- instrument that measures respiration
pneumatometer- instrument for measuring quantity of air breathed
pneumograph- instrument for measuring and recording respiration
polarimeter- instrument for measuring polarised light
polariscope- instrument for detecting polarized light
polygraph- instrument for measuring small changes in pulse and respiration
porometer- instrument for measuring degree of porosity
poroscope- instrument for investigating porosity
potentiometer -instrument for measuring electromotive forces
potometer- instrument measuring rate at which plants absorb water
prisoptometer- instrument for measuring degree of astigmatism
proctoscope- instrument for examining the rectum
psophometer- instrument measuring audible interference of electrical current
psychograph- instrument that supposedly records spirit messages
psychrometer- instrument for measuring dryness of the atmosphere
psychrometer -instrument for measuring air moisture or temperature
pulsimeter- instrument for measuring the pulse
pycnometer- instrument for measuring specific gravity or density
pyknometer- instrument for measuring specific gravities
pyranometer- instrument measuring solar radiation from the sky's whole hemisphere
pyrgeometer- instrument for measuring radiation from earth
pyrheliometer- instrument for measuring heating effect of sun
pyrometer- instrument for measuring very high temperatures
pyroscope- instrument for measuring intensity of radiant heat
quantometer- instrument for measuring proportions of elements in metallic samples
rachiometer- instrument for measuring the spine
radarscope- instrument for detecting radar signals
radiogoniometer- instrument for finding direction through radio signals
radiometeorograph- instrument for measuring atmospheric conditions at high altitude
radiometer- instrument measuring radiation energy
radioscope- instrument for viewing objects using X-rays
ratemeter- instrument for measuring counting rate of electronic counters
recipiangle- old instrument with two arms used for measuring angles
reflectometer- instrument for measuring reflectance of radiant energy
refractometer- instrument measuring refraction of light
respirometer- instrument for measuring and studying respiration
retinoscope- instrument for measuring and viewing the retina
rheometer- instrument that measures current
rhinoscope -instrument for examining the nose
rhythmometer- instrument for measuring speed of rhythms
riometer- instrument for measuring absorbed cosmic radio waves
rotameter- instrument for measuring length of curved lines
saccharimeter- instrument for measuring amount of sugar in a solution
salinometer- instrument for measuring amount of salt in a solution
scintillometer- instrument measuring scintillation of star
scintilloscope- instrument for measuring gamma rays emitted by a radioactive body
sclerometer- instrument measuring hardness
scoliometer- instrument measuring curvature
scotograph- instrument for writing without seeing
scotoscope- instrument for detecting objects in darkness
seismograph-instrument for recording earthquakes
seismometer- instrument for measuring earthquake intensity
seismoscope- instrument for detecting earthquakes
selenoscope- instrument for viewing the moon
sensitometer- instrument for measuring sensitivity of photographic material
sepometer- instrument for measuring septic matter in the air
serimeter- instrument for testing quality of silk
shuftiscope- instrument used to explore interior of dysentery case
siccimeter- instrument for measuring liquid evaporation
sideroscope- instrument using magnets to detect presence of iron
sigmoidoscope- instrument for examining the interior of the rectum and sigmoid colon
sillometer- instrument measuring speed of ship
skiascope- instrument for measuring eye's refraction from movement of shadows
snooperscope- instrument for viewing infrared radiation
solarimeter- instrument for measuring solar radiation
sonograph- instrument for recording and analysing sound
spectrofluorimeter- instrument for measuring and recording fluorescence spectra
spectrograph- instrument for viewing a spectrum
spectroheliograph- instrument for taking pictures of the sun
spectroheliokinematograph- camera for taking pictures of the sun
spectrohelioscope- instrument for viewing solar disc in light of a single wavelength
spectrometer- instrument measuring wavelengths of light of a spectrum
spectrophotometer- instrument for measuring speed of different parts of light spectrum
spectroscope- instrument for forming spectra by dispersing rays of light
speedometer- instrument for measuring velocity
spherometer- instrument measuring curvature
sphygmograph- instrument for recording pulse
sphygmomanometer- instrument for measuring arterial blood pressure
sphygmometer -instrument for measuring arterial blood pressure
sphygmoscope- instrument for making arterial pulsations visible
spinthariscope- instrument for visually detecting alpha particles
spirograph- instrument recording movements of breathing
spirometer- instrument measuring lung capacity
stactometer- pipette with hollow bulb for counting drops
stadiometer -instrument for measuring the length of a curved line
stagmometer- instrument for measuring number of drops in volume of liquid
stalagmometer- instrument for measuring surface tension by drops
statoscope- instrument for measuring small changes in atmospheric pressure
stauroscope- instrument for studying structure of crystals with polarised light
stenometer- instrument for measuring distances
stereometer- instrument for measuring specific gravity
stereoscope- instrument for viewing special three-dimensional photographs
stethometer- instrument measuring chest expansion during breathing
stethoscope -instrument for detecting sounds produced by the body
strabismometer- instrument measuring degree of squinting
strabometer- instrument for measuring strabismus in the eyes
stroboscope- instrument for studying motion using flashes of light
stylometer- instrument for measuring columns
swingometer -instrument for measuring swing in votes during an election
sympiesometer -instrument for measuring pressure of a current
synchroscope- instrument for detecting whether two moving parts are synchronized
tacheometer -instrument for rapidly measuring survey points on a map
tachistoscope- instrument for rapidly showing images on a screen to test perception
tachograph- instrument for recording speed of rotation
tachometer- instrument for measuring speed of rotation
taseometer- instrument for measuring stress in a structure
tasimeter- instrument for measuring changes in pressure
taximeter -instrument for measuring fee for hired vehicle
telemeter- instrument for measuring strain or distance from observer
telescope- instrument for viewing objects at great distances
telespectroscope- instrument for analysing radiation omitted by distant bodies
telestereoscope- instrument for viewing distant objects stereoscopically
tellurometer- instrument using microwaves to measure distance
tenderometer- instrument for measuring tenderness of fruits and vegetables
tensimeter- instrument for measuring vapour pressure
tensiometer- instrument for measuring tension
thalassometer- instrument for measuring tides
thermograph- instrument for recording changes in temperature
thermometer- instrument for measuring temperature
thermometrograph -instrument for recording changes in temperature
thermoscope- instrument indicating change in temperature
thoracoscope- instrument for viewing the thorax and chest wall
tiltmeter -instrument for measuring tilting of earth's surface
tocodynamometer- instrument for measuring uterine contractions during childbirth
tomograph- instrument for viewing section of an object using X-rays
tonometer- instrument measuring pitch of musical tones
topophone- instrument to determine direction and distance of a fog-horn
torsiograph- instrument for recording torsional vibrations on an object
transmissometer- instrument for measuring transmission of light through a fluid
trechometer- instrument for determining distance travelled; odometer
tremograph- instrument for recording involuntary muscular motion
tribometer- instrument measuring friction
trigonometer- instrument for solving triangles
trocheameter- instrument counting wheel's revolutions
tromometer- instrument for measuring slight earthquake shocks
tropometer- instrument measuring rotation
turbidimeter- instrument for measuring turbidity of liquids
turgometer- instrument for measuring turgidity
typhlograph- instrument to help the blind write clearly
udometer- instrument for measuring rainfall
ultramicroscope- instrument for viewing extremely small objects
urethroscope- instrument for viewing the interior of the urethra
urinometer- instrument for measuring specific gravity of urine
vaporimeter- instrument for measuring vapour pressure
variometer- instrument for measuring magnetic declination
velocimeter- instrument for measuring velocity
velometer- instrument for measuring speed of air
viameter- instrument for measuring revolutions of a wheel
vibrograph -instrument for recording vibrations
vibrometer- instrument for measuring vibrations
viscometer- instrument for measuring viscosity
visometer- instrument for measuring focal length of the eye
voltameter- instrument for measuring electrical current indirectly
voltmeter- instrument for measuring electrical potential
volumenometer- instrument for measuring volume of a solid
volumeter- instrument for measuring volume of a liquid or gas
wattmeter- instrument for measuring electrical power
wavemeter- instrument for measuring wavelengths
weatherometer- instrument for measuring weather-resisting properties of paint
xylometer- instrument measuring specific gravity of wood
zymometer- instrument for measuring fermentation
zymosimeter- instrument for measuring fermentation
alcoholometer -instrument for measuring proportion of alcohol in solutions
alcovinometer-instrument to measure strength of wine
alkalimeter -instrument for measuring strength of alkalines
altimeter- instrument for measuring altitude
ammeter -instrument for measuring electrical current
anemograph- instrument for measuring pressure and velocity of wind
anemometer- instrument for measuring wind velocity
areometer- instrument used for measuring specific gravity
arthroscope- instrument for examining interior of a joint
atmometer -instrument for measuring evaporating capacity of air
audiometer -instrument for measuring acuity of hearing
auriscope -instrument for examining the ear
auxanometer- instrument for measuring growth of plants
auxometer -instrument for measuring magnifying power
ballistocardiograph- instrument for detecting body movements caused by heartbeat
barograph- instrument for recording air pressure
barometer- instrument for measuring air pressure
baroscope -weather-glass
bathymeter- instrument for recording contours of deep oceans
bathythermograph- instrument for recording water temperature as compared to depth
bolometer- instrument for measuring radiant energy or infrared light
bronchoscope- instrument for examining the windpipe
calorimeter- instrument for measuring absorbed or evolved heat
cardiograph -instrument for recording movements of the heart
cathetometer- instrument for measuring short vertical distances
ceilometer- instrument for measuring height of cloud ceiling above earth
ceraunograph- instrument for recording thunder and lightning
chlorometer- instrument for measuring amount of chlorine in a solution
chromatograph- instrument for performing chromatographic separations
chromatoptometer- instrument measuring eyes' sensitivity to colour
chronograph- instrument for recording the moment of an event
chronometer- instrument for measuring time
chronoscope- instrument for measuring very short time intervals
clinometer- instrument used to measure slopes and elevations
coercimeter- instrument for measuring coercive force
colonoscope- instrument for viewing the colon
colorimeter- instrument for measuring and determining color
colposcope- instrument for viewing the neck of the uterus
coronagraph- instrument for viewing the corona of the sun
coulombmeter- instrument for measuring electric charge
coulometer- instrument measuring amount of substance released in electrolysis
craniometer- instrument for measuring the skull
cratometer- instrument for measuring power of magnification
crescograph- instrument for measuring the growth of plants
cryometer- instrument for measuring low temperatures
cryoscope- instrument for determining freezing points of substances
cyanometer- instrument for measuring blueness of the sky or ocean
cyclograph- instrument for describing arcs of circles without compasses
cyclometer- instrument for measuring revolutions of a wheel
cymograph- instrument for tracing the outline of mouldings
cymometer- instrument for measuring frequency of electrical waves
cystoscope- instrument for examining the bladder
cytometer- instrument for counting cells
decelerometer- instrument for measuring deceleration
declinometer- instrument for measuring magnetic declination
dendrometer- instrument for measuring trees
densimeter- instrument for measuring closeness of grain of a substance
densitometer- instrument for measuring optical or photographic density
diagometer- instrument for measuring electrical conductivity
diagraph- instrument for enlarging or projecting drawings
diaphanometer- instrument for measuring the transparency of air
dichroscope- instrument for examining crystals for dichroism
diffractometer- instrument for determining structure of crystal through light diffraction
dilatometer- instrument for measuring expansion
dioptometer- instrument for measuring focus or refraction of the eyes
dipleidoscope- instrument for measuring moment when an object passes a meridian
diplograph- instrument for writing two lines of text at once
dosimeter- instrument for measuring dose of radiation
dromometer- instrument for measuring speed
drosometer- instrument for measuring dew
durometer- instrument for measuring hardness of substances
dynamograph- instrument for recording mechanical forces
dynamometer- instrument for measuring mechanical force
ebullioscope- instrument for measuring boiling point of liquids
effusiometer- instrument for comparing molecular weights of gases
eidograph- instrument for copying drawings
elatrometer- instrument for measuring gaseous pressure
electrocardiograph- instrument for recording unusual electrical fluctuations of the heart
electrodynamometer- instrument for measuring electrical current
electroencephalograph- instrument for measuring the brain's electrical impulses
electrograph- instrument for recording electrical potential
electrometer- instrument for measuring electrical potential
electromyograph- instrument for diagnosing neuromuscular disorders
electroretinograph- instrument for measuring electrical activity in the retina
electroscope- instrument for detecting electrical charges in the body
ellipsograph- instrument for describing ellipses
encephalograph- instrument for recording brain images
endoscope- instrument for visualizing interior of a hollow organ
endosmometer- instrument for measuring osmosis into a solution
epidiascope- instrument for projecting images of objects
episcope- instrument for projecting images of opaque objects
ergograph- instrument for measuring and recording muscular work
ergometer- instrument for measuring work performed
eriometer- instrument for measuring very small diameters
eudiometer- instrument for measuring air purity
evaporimeter- instrument for measuring rate of evaporation
extensometer- instrument for measuring deformation in object due to forces applied
fathometer- instrument for measuring underwater depth using sound
fiberscope- instrument using fiberoptics to examine inaccessible areas
floriscope- instrument for inspecting flowers
flowmeter- instrument for measuring properties of flowing liquids
fluorimeter- instrument for measuring fluorescence
fluoroscope- instrument using x-rays to examine internal structure of opaque object
focimeter- instrument for measuring focal length of a lens
galactometer- instrument for measuring specific gravity of milk
galvanometer- instrument for measuring electrical current
galvanoscope- instrument for detecting presence and direction of electric current
gasometer- instrument for holding and measuring gases
gastroscope- instrument for examining interior of the stomach
geothermometer- instrument for measuring subterranean temperatures
goniometer- instrument for measuring angles between faces
gradiometer- instrument for measuring gradient of a physical quantity
gravimeter- instrument for measuring variations in gravitational fields
gyrograph- instrument for counting a wheel's revolutions
haptometer- instrument measuring sensitivity to touch
harmonograph- instrument drawing curves representing vibrations
harmonometer- instrument measuring harmonic relations of sounds
helicograph- instrument for drawing spirals on a plane
heliograph- instrument for measuring intensity of sunlight
heliometer- instrument for measuring apparent diameter of the sun
helioscope- instrument for observing sun without injury to the eyes
hemacytometer- instrument for counting blood cells
hippometer- instrument to measure height of horses
hodoscope- instrument for tracing paths of ionizing particles
hydrometer- instrument for measuring specific gravity of liquids
hydroscope- instrument for viewing under water
hydrotimeter- instrument for measuring water hardness
hyetograph- instrument for recording rainfall
hyetometer- instrument for measuring rainfall
hyetometrograph- instrument for recording rainfall
hygrograph- instrument for recording variations in atmospheric humidity
hygrometer- instrument for measuring air moisture
hygroscope- instrument for displaying changes in air humidity
hypsometer- instrument for measuring height of trees through triangulation
iconometer- instrument for finding size of object by measuring its image
inclinometer- instrument for measuring inclination to the horizontal of an axis
interferometer- instrument for analysing spectra of light
iriscope- instrument for exhibiting the prismatic colours
katathermometer- instrument for measuring the cooling power of air
katharometer- instrument measuring changes in composition of gases
keratometer- instrument for measuring curvature of the cornea
keraunograph- instrument for recording distant thunderstorms
kinetoscope- instrument for producing curves by combination of circular movements
konimeter- instrument measuring amount of dust in air
koniscope- instrument for measuring dust in air
kymograph- instrument for recording fluid pressure
lactometer- instrument for testing relative density of milk
lactoscope- instrument for measuring purity or richness of milk
lanameter- instrument for measuring quality of wool
laparoscope- instrument for viewing interior of peritoneal cavity
laryngoscope- instrument for examining interior of the larynx
leptometer- instrument for measuring oil viscosity
loxodograph- device used to record ship's travels
lucimeter- instrument for measuring light intensity
luxmeter- instrument for measuring illumination
lysimeter- instrument for measuring percolation of water through soil
magnetograph- instrument for recording measurements of magnetic fields
magnetometer -instrument for measuring intensity of magnetic fields
manometer- instrument for measuring pressure of a liquid or gas
marigraph- instrument for recording tide levels
mecometer -instrument for measuring length
megameter -instrument for determining longitude by observing stars
megascope- instrument for projecting an enlarged image
mekometer -range-finder
meldometer -instrument for measuring melting points of substances
meteorograph- instrument recording a variety of meteorological observations
methanometer- instrument for detecting presence of methane
microbarograph- instrument for recording minute changes in atmospheric pressure
microcalorimeter -instrument for measuring tiny quantities of heat
micrograph- instrument used to write on a very small scale
micrometer -instrument for measuring very small distances
micronometer -instrument for measuring short periods of time
microscope- instrument for magnifying small objects
microseismograph- instrument for recording small or distant earthquakes
microseismometer -instrument for measuring small or distant earthquakes
mileometer -instrument for recording distance travelled in miles
milliammeter- instrument for recording very small electrical currents
myograph- instrument for recording muscular contractions
myringoscope- instrument for viewing the eardrum
nephelometer- instrument for measuring cloudiness
nephograph- instrument for photographing clouds
nephoscope- instrument for observing direction and velocity of clouds
nitrometer- instrument for measuring nitrogen and its compounds
odograph odometer-instrument for measuring distance travelled
odometer instrument- for measuring distance travelled
odontograph- instrument for obtaining curves for gear-teeth
oenometer -instrument for measuring alcoholic strength of wine
ohmmeter- instrument for measuring electrical resistance
oleometer- instrument for measuring amount of oil in a substance
olfactometer -instrument measuring intensity of odour of a substance
ombrometer- rain-gauge
oncometer- instrument measuring change in size of internal organs
oncosimeter- instrument measuring variations in density of molten metal
ondograph- instrument measuring change in wave formations of electricity
oometer -instrument for measuring eggs
opacimeter -instrument for measuring opacity
opeidoscope- instrument for illustrating sound by means of light
ophthalmometer- instrument for measuring the eye
ophthalmoscope- instrument for viewing the interior of the eye
opisometer- instrument for measuring curved lines
opsiometer- instrument for testing vision
optometer- instrument for testing vision
oscillograph -instrument for recording alternating current wave forms
oscillometer- instrument for measuring ship's rollings
oscilloscope- instrument for detecting electrical fluctuations
osmometer- instrument for measuring osmotic pressure
otoscope- instrument for examining the ear
pachymeter-instrument for measuring small thicknesses
pallograph- instrument measuring ship's vibration
pantochronometer-combined sundial and compass
pantograph- instrument for copying drawing to a different scale
passimeter- instrument for issuing automatic tickets
pedometer- instrument for measuring distance travelled on foot
peirameter- instrument measuring resistance of road surfaces to wheel movement
pelvimeter- instrument for measuring the pelvis
penetrometer- instrument for measuring firmness or consistency of substances
permeameter- instrument for measuring permeability
phacometer- instrument for measuring lenses
phaometer- old instrument for measuring light intensity
pharmacometer- instrument for measuring drugs
pharyngoscope- instrument for inspecting the pharynx
phonautograph- instrument for recording sound vibrations
phonendoscope- device which amplifies small sounds
phonometer- instrument for measuring sound levels
phorometer- instrument used to correct abnormalities in eye muscles
photometer -instrument for measuring light intensity
photopolarimeter- instrument for measuring intensity and polarization of reflected light
phototachometer- instrument for measuring the speed of light
phototelegraph- instrument for transmitting drawings telegraphically
phthongometer -instrument measuring intensity of vowel sounds
piezometer -instrument for measuring pressure or compressibility
planigraph- instrument for copying drawings at a different scale
planimeter -instrument for measuring area of plane figures
platometer- instrument for measuring area; planimeter
plegometer -instrument for measuring the strength of a blow
plemyrameter- instrument for measuring variations in water level
plethysmograph- instrument for measuring change in body part size due to blood flow
pluviograph- self-registering rain gauge
pluviometer- rain-meter
pneometer- instrument that measures respiration
pneumatometer- instrument for measuring quantity of air breathed
pneumograph- instrument for measuring and recording respiration
polarimeter- instrument for measuring polarised light
polariscope- instrument for detecting polarized light
polygraph- instrument for measuring small changes in pulse and respiration
porometer- instrument for measuring degree of porosity
poroscope- instrument for investigating porosity
potentiometer -instrument for measuring electromotive forces
potometer- instrument measuring rate at which plants absorb water
prisoptometer- instrument for measuring degree of astigmatism
proctoscope- instrument for examining the rectum
psophometer- instrument measuring audible interference of electrical current
psychograph- instrument that supposedly records spirit messages
psychrometer- instrument for measuring dryness of the atmosphere
psychrometer -instrument for measuring air moisture or temperature
pulsimeter- instrument for measuring the pulse
pycnometer- instrument for measuring specific gravity or density
pyknometer- instrument for measuring specific gravities
pyranometer- instrument measuring solar radiation from the sky's whole hemisphere
pyrgeometer- instrument for measuring radiation from earth
pyrheliometer- instrument for measuring heating effect of sun
pyrometer- instrument for measuring very high temperatures
pyroscope- instrument for measuring intensity of radiant heat
quantometer- instrument for measuring proportions of elements in metallic samples
rachiometer- instrument for measuring the spine
radarscope- instrument for detecting radar signals
radiogoniometer- instrument for finding direction through radio signals
radiometeorograph- instrument for measuring atmospheric conditions at high altitude
radiometer- instrument measuring radiation energy
radioscope- instrument for viewing objects using X-rays
ratemeter- instrument for measuring counting rate of electronic counters
recipiangle- old instrument with two arms used for measuring angles
reflectometer- instrument for measuring reflectance of radiant energy
refractometer- instrument measuring refraction of light
respirometer- instrument for measuring and studying respiration
retinoscope- instrument for measuring and viewing the retina
rheometer- instrument that measures current
rhinoscope -instrument for examining the nose
rhythmometer- instrument for measuring speed of rhythms
riometer- instrument for measuring absorbed cosmic radio waves
rotameter- instrument for measuring length of curved lines
saccharimeter- instrument for measuring amount of sugar in a solution
salinometer- instrument for measuring amount of salt in a solution
scintillometer- instrument measuring scintillation of star
scintilloscope- instrument for measuring gamma rays emitted by a radioactive body
sclerometer- instrument measuring hardness
scoliometer- instrument measuring curvature
scotograph- instrument for writing without seeing
scotoscope- instrument for detecting objects in darkness
seismograph-instrument for recording earthquakes
seismometer- instrument for measuring earthquake intensity
seismoscope- instrument for detecting earthquakes
selenoscope- instrument for viewing the moon
sensitometer- instrument for measuring sensitivity of photographic material
sepometer- instrument for measuring septic matter in the air
serimeter- instrument for testing quality of silk
shuftiscope- instrument used to explore interior of dysentery case
siccimeter- instrument for measuring liquid evaporation
sideroscope- instrument using magnets to detect presence of iron
sigmoidoscope- instrument for examining the interior of the rectum and sigmoid colon
sillometer- instrument measuring speed of ship
skiascope- instrument for measuring eye's refraction from movement of shadows
snooperscope- instrument for viewing infrared radiation
solarimeter- instrument for measuring solar radiation
sonograph- instrument for recording and analysing sound
spectrofluorimeter- instrument for measuring and recording fluorescence spectra
spectrograph- instrument for viewing a spectrum
spectroheliograph- instrument for taking pictures of the sun
spectroheliokinematograph- camera for taking pictures of the sun
spectrohelioscope- instrument for viewing solar disc in light of a single wavelength
spectrometer- instrument measuring wavelengths of light of a spectrum
spectrophotometer- instrument for measuring speed of different parts of light spectrum
spectroscope- instrument for forming spectra by dispersing rays of light
speedometer- instrument for measuring velocity
spherometer- instrument measuring curvature
sphygmograph- instrument for recording pulse
sphygmomanometer- instrument for measuring arterial blood pressure
sphygmometer -instrument for measuring arterial blood pressure
sphygmoscope- instrument for making arterial pulsations visible
spinthariscope- instrument for visually detecting alpha particles
spirograph- instrument recording movements of breathing
spirometer- instrument measuring lung capacity
stactometer- pipette with hollow bulb for counting drops
stadiometer -instrument for measuring the length of a curved line
stagmometer- instrument for measuring number of drops in volume of liquid
stalagmometer- instrument for measuring surface tension by drops
statoscope- instrument for measuring small changes in atmospheric pressure
stauroscope- instrument for studying structure of crystals with polarised light
stenometer- instrument for measuring distances
stereometer- instrument for measuring specific gravity
stereoscope- instrument for viewing special three-dimensional photographs
stethometer- instrument measuring chest expansion during breathing
stethoscope -instrument for detecting sounds produced by the body
strabismometer- instrument measuring degree of squinting
strabometer- instrument for measuring strabismus in the eyes
stroboscope- instrument for studying motion using flashes of light
stylometer- instrument for measuring columns
swingometer -instrument for measuring swing in votes during an election
sympiesometer -instrument for measuring pressure of a current
synchroscope- instrument for detecting whether two moving parts are synchronized
tacheometer -instrument for rapidly measuring survey points on a map
tachistoscope- instrument for rapidly showing images on a screen to test perception
tachograph- instrument for recording speed of rotation
tachometer- instrument for measuring speed of rotation
taseometer- instrument for measuring stress in a structure
tasimeter- instrument for measuring changes in pressure
taximeter -instrument for measuring fee for hired vehicle
telemeter- instrument for measuring strain or distance from observer
telescope- instrument for viewing objects at great distances
telespectroscope- instrument for analysing radiation omitted by distant bodies
telestereoscope- instrument for viewing distant objects stereoscopically
tellurometer- instrument using microwaves to measure distance
tenderometer- instrument for measuring tenderness of fruits and vegetables
tensimeter- instrument for measuring vapour pressure
tensiometer- instrument for measuring tension
thalassometer- instrument for measuring tides
thermograph- instrument for recording changes in temperature
thermometer- instrument for measuring temperature
thermometrograph -instrument for recording changes in temperature
thermoscope- instrument indicating change in temperature
thoracoscope- instrument for viewing the thorax and chest wall
tiltmeter -instrument for measuring tilting of earth's surface
tocodynamometer- instrument for measuring uterine contractions during childbirth
tomograph- instrument for viewing section of an object using X-rays
tonometer- instrument measuring pitch of musical tones
topophone- instrument to determine direction and distance of a fog-horn
torsiograph- instrument for recording torsional vibrations on an object
transmissometer- instrument for measuring transmission of light through a fluid
trechometer- instrument for determining distance travelled; odometer
tremograph- instrument for recording involuntary muscular motion
tribometer- instrument measuring friction
trigonometer- instrument for solving triangles
trocheameter- instrument counting wheel's revolutions
tromometer- instrument for measuring slight earthquake shocks
tropometer- instrument measuring rotation
turbidimeter- instrument for measuring turbidity of liquids
turgometer- instrument for measuring turgidity
typhlograph- instrument to help the blind write clearly
udometer- instrument for measuring rainfall
ultramicroscope- instrument for viewing extremely small objects
urethroscope- instrument for viewing the interior of the urethra
urinometer- instrument for measuring specific gravity of urine
vaporimeter- instrument for measuring vapour pressure
variometer- instrument for measuring magnetic declination
velocimeter- instrument for measuring velocity
velometer- instrument for measuring speed of air
viameter- instrument for measuring revolutions of a wheel
vibrograph -instrument for recording vibrations
vibrometer- instrument for measuring vibrations
viscometer- instrument for measuring viscosity
visometer- instrument for measuring focal length of the eye
voltameter- instrument for measuring electrical current indirectly
voltmeter- instrument for measuring electrical potential
volumenometer- instrument for measuring volume of a solid
volumeter- instrument for measuring volume of a liquid or gas
wattmeter- instrument for measuring electrical power
wavemeter- instrument for measuring wavelengths
weatherometer- instrument for measuring weather-resisting properties of paint
xylometer- instrument measuring specific gravity of wood
zymometer- instrument for measuring fermentation
zymosimeter- instrument for measuring fermentation
