/ Dictionary / Index P phosphorism: Meaning and Definition of Find definitions for: phos•pho•rism Pronunciation: (fos'fu-riz"um), [key] — n. Pathol. chronic phosphorus poisoning. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. phosphoric anhydride phosphorite Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language