/ Dictionary / Index P -penia: Meaning and Definition of Find definitions for: -penia Pronunciation: [key] a combining form used in the formation of compound words that have the general sense “lack, deficiency,” as specified by the initial element: leukopenia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Penhsi penicil Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language