/ Dictionary / Index P primaquine: Meaning and Definition of Find definitions for: pri•ma•quine Pronunciation: (prī'mu-kwēn"), [key] — n. Pharm. a viscous liquid, CHNO, used in the treatment of malaria. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: primaquine (Thesaurus) primal therapy primarily Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language