/ Dictionary / Index A astrophotometry: Meaning and Definition of Find definitions for: as•tro•pho•tom•e•try Pronunciation: (as"trō-fō-tom'i-trē), [key] — n. the measurement of the intensity of light of celestial objects. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. astrophotography astrophysics Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language