[ dahy-koo-muh-rawl, -rol, -kyoo- ]
/ daɪˈku məˈrɔl, -ˌrɒl, -ˈkyu- /


a synthetic coumarin derivative, C19H12O6, used chiefly to prevent blood coagulation and in the treatment of arterial thrombosis.

Nearby words

  1. dictynna,
  2. dictyoma,
  3. dictyopteran,
  4. dictyosome,
  5. dictyotene,
  6. dicyandiamide,
  7. dicyclic,
  8. dicyclopentadienyl metal,
  9. dicyclopentadienyliron,
  10. dicynodont

Also dicoumarin, di·cou·ma·rol.

Origin of dicumarol

respelling of di-1 + coumar(in) + -ol2

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for dicumarol


[ dī-kōōmə-rôl′, -rōl′ ]


An anticoagulant that inhibits the formation of prothrombin in the liver.bishydroxycoumarin

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.