/ Dictionary / Index M microspectrophotometer: Meaning and Definition of Find definitions for: mi•cro•spec•tro•pho•tom•e•ter Pronunciation: (mī"krō-spek"tru-fō-tom'i-tur), [key] — n. Optics. a spectrophotometer for examining light emitted, transmitted, or reflected by minute objects. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. microsome microsporangium Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language