English dictionary
photometer
/f/oU/'t/A/m/I/t/@/r/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
-
measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source
Source: WordNet 3.0
-
photographic equipment that measures the intensity of light
Source: WordNet 3.0
-
An instrument for measuring the intensity of light, or, more especially, for comparing the relative intensities of different lights, or their relative illuminating power.
Source: webster1913