Search Result for "photometer":
Wordnet 3.0

NOUN (2)

1. measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source;

2. photographic equipment that measures the intensity of light;
[syn: light meter, exposure meter, photometer]



The Collaborative International Dictionary of English v.0.48:

Photometer \Pho*tom"e*ter\, n. [Photo- + -meter: cf. F.
   photom[`e]tre.] (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.
   [1913 Webster] Photometric