/ Dictionary / Index D dicumarol: Meaning and Definition of Find definitions for: di•cu•ma•rol Pronunciation: (dī-k'mu-rôl', -rol", -ky'-), [key] — Pharm. Pharm. a synthetic coumarin derivative, CHO, used chiefly to prevent blood coagulation and in the treatment of arterial thrombosis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dicumarol (Thesaurus) dictyosome dicyandiamide Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language