/ Dictionary / Index P phot: Meaning and Definition of Find definitions for: phot Pronunciation: (fot, fōt), [key] — n. Optics. a unit of illumination, equal to 1 lumen per square centimeter. Abbr.: ph phot- Pronunciation: [key] var. ofbefore a vowel: photalgia. phot. Pronunciation: [key] photograph. photographer. photographic. photography. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: phot (Thesaurus) Phosvel photalgia Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language