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(General Physics) an instrument that measures the intensity of light transmitted or reflected by very small areas


(ˌmaɪ kroʊ foʊˈtɒm ɪ tər)

a photometer adapted for measuring the intensity of light emitted, transmitted, or reflected by minute objects.
mi`cro•pho`to•met′ric (-təˈmɛ trɪk) adj.
mi`cro•pho`to•met′ri•cal•ly, adv.
mi`cro•pho•tom′e•try, n.
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Noun1.microphotometer - special kind of densitometer that measures density variations over a very small area
densitometer - a measuring instrument for determining optical or photographic density
References in periodicals archive ?
Young analyzed photographic plates of the eclipses of 1901, 1905, and 1908 with a Hartmann microphotometer, that the extent of polarization could be properly quantified [18].
TEST 1 and Microtest 1 use a capillary photometric-kinetic technology, which reads the sedimentation and aggregation of erythrocytes 1000 times over 20 seconds with an infrared microphotometer operating at 650nm wavelength.