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WordReference Random House Unabridged Dictionary of American English © 2024mi•cro•pho•tom•e•ter (mī′krō fō tom′i tər),USA pronunciation n. [Optics.]- a photometer adapted for measuring the intensity of light emitted, transmitted, or reflected by minute objects.
- 1895–1900; micro- + photometer
mi•cro•pho•to•met•ric (mī′krō fō′tə me′trik),USA pronunciation adj. mi′cro•pho′to•met′ri•cal•ly, adv. mi′cro•pho•tom′e•try, n. |