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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.
[Gr. light, and measure.]
An instrument for measuring the relative intensities of light.

Definition 2024


photometer

photometer

English

Noun

photometer (plural photometers)

  1. (physics) Any of several instruments used to measure various aspects of the intensity of light.

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Translations

Verb

photometer (third-person singular simple present photometers, present participle photometering, simple past and past participle photometered)

  1. (astronomy) To measure some aspect of light (from a star) using a photometer.

Anagrams