Go to 'thermo-' entry Go to 'dino-' entry Go to 'chondro-' entry Go to 'aero-' entry Go to '-logy' entry Go to 'thaumato-' entry Go to 'nano-' entry Go to '-sophy' entry Go to 'bucco-' entry Go to '-ism' entry Go to '-lysis' entry Go to 'galacto-' entry Go to '-anthropy' entry Go to 'pneumo-' entry Go to '-ploitation' entry Go to '-lithic' entry Go to '-sepalous' entry Go to 'onco-' entry Go to '-parous' entry Go to 'dermato-' entry Go to 'multi-' entry Go to 'dodeca-' entry Go to '-zoon' entry Go to 'vermi-' entry Go to 'crystallo-' entry Go to 'biblio-' entry Go to 'eco-' entry Go to 'juxta-' entry Go to 'facio-' entry
Affixes: the building blocks of English
Affixes: the building blocks of English

-meter Also -metre.

Measuring instrument; unit of measurement.

[Greek metron, measure; -metrēs, measurer.]

There are several hundred terms in -meter for various kinds of measuring instrument, a few of the more common of which are in the list below. The general term meter refers to any device that measures and records the quantity, degree, or rate of something.

Terms in -metre refer to units of measurement based on the metre: centimetre, kilometre. Forms such as kilometer and centimeter are the equivalent US spellings.

The words diameter (Greek dia, across), geometer, a person skilled in geometry (Greek , earth, because the first were land surveyors), and perimeter (Greek peri-, around) come from the same Greek root. The ending also appears in a set of words for lines of verse containing a specified number of metrical feet, as in hexameter (Greek hex, six), tetrameter (Greek tetra-, four), or octameter (Greek oktō, eight).

Examples of words in -meter

altimeter altitude Latin altus, high
barometer atmospheric pressure Greek baros, weight
calorimeter heat involved in a chemical reaction Latin calor, heat
dosimeter absorbed doses of ionizing radiation English dose
interferometer a device that uses the interaction of two or more waves of the same frequency to measure wavelength English interfere
potentiometer electromotive force using potential difference English potential
radiometer the intensity or force of radiation Latin radius, a ray
spectrometer spectra of electromagnetic radiation Latin spectra, image, apparition
speedometer the speed of a vehicle English speed
sphygmomanometer blood pressure Greek sphugmos, pulse, plus manos, thin
tachometer the working speed of an engine Greek takhos, speed
thermometer temperature Greek thermē, heat
voltmeter electric potential in volts English volt

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