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photometer |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: 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. From WordNet r 1.6 [wn]: photometer n 1: for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source 2: equipment that measures the intensity of light [syn: {light meter}, {exposure meter}]
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