/ Dictionary / Index P phosphide: Meaning and Definition of Find definitions for: phos•phide Pronunciation: (fos'fīd, -fid), [key] — n. Chem. a binary compound of phosphorus with a basic element or group. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. phosphene phosphine Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language