/ Dictionary / Index S spectrophotometer: Meaning and Definition of Find definitions for: spec•tro•pho•tom•e•ter Pronunciation: (spek"trō-fō-tom'i-tur), [key] — n. an instrument for making photometric comparisons between parts of spectra. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: spectrophotometer (Thesaurus) spectrophotoelectric spectropolarimeter Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language