Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun photometer

2 senses of photometer

Sense 1
photometer -- (measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source)
       => measuring instrument, measuring system, measuring device -- (instrument that shows the extent or amount or quantity or degree of something)

Sense 2
light meter, exposure meter, photometer -- (photographic equipment that measures the intensity of light)
       => photographic equipment -- (equipment used by a photographer)