Definify.com
Webster 1913 Edition
Photometer
Pho-tom′e-ter
,Noun.
[
Photo-
+ -meter
: cf. F. photomètre
.] (Physics)
An instrument for measuring the intensity of light, or, more especially, for comparing the relative intensities of different lights, or their relative illuminating power.
Webster 1828 Edition
Photometer
PHOTOM'ETER
,Noun.
An instrument for measuring the relative intensities of light.
Definition 2024
photometer
photometer
English
Noun
photometer (plural photometers)
- (physics) Any of several instruments used to measure various aspects of the intensity of light.
Hyponyms
Hyponyms of photometer
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Derived terms
- photopolarimeter
- spectrophotometer
- telephotometer
Related terms
Translations
measuring instrument
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Verb
photometer (third-person singular simple present photometers, present participle photometering, simple past and past participle photometered)