Photometer

//fəˈtɑmɪtɚ// noun, verb

Definitions

Noun
  1. 1
    Any of several instruments used to measure various aspects of the intensity of light.
  2. 2
    photographic equipment that measures the intensity of light wordnet
  3. 3
    measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source wordnet
Verb
  1. 1
    To measure some aspect of light (from a star) using a photometer.

Etymology

Etymology 1

From photo- + -meter.

Etymology 2

From photo- + -meter.

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