/ Dictionary / Index P photo-mount: Meaning and Definition of Find definitions for: pho•to-mount Pronunciation: (fō'tō-mount"), [key] — n. a heavy paper or board suitable for mounting photographs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. photomosaic photomultiplier Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language