English dictionary



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English noun: photometer

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


Broader (hypernym)measuring device, measuring instrument, measuring system


Narrower (hyponym)spectrophotometer

2. photometer (artifact) photographic equipment that measures the intensity of light


Synonymsexposure meter, light meter


Broader (hypernym)photographic equipment


Narrower (hyponym)cytophotometer









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