PHOTOMETER


Meaning of PHOTOMETER in English

transcription, транскрипция: [ fō-ˈtä-mə-tər ]

noun

Etymology: New Latin photometrum, from phot- + -metrum -meter

Date: 1778

: an instrument for measuring luminous intensity, luminous flux, illumination, or brightness

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.