[ wawr-fuh-rin ]
/ ˈwɔr fə rɪn /

noun Chemistry.

a colorless, crystalline, water-insoluble anticoagulant, C19H16O4, used chiefly as a rodenticide.
Pharmacology. a preparation of this used in the management of potential or existing clotting disorders.

Origin of warfarin

1945–50; W(isconsin) A(lumni) R(esearch) F(oundation) (owners of patent) + (coum)arin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for warfarin


/ (ˈwɔːfərɪn) /


a crystalline insoluble optically active compound, used as a rodenticide and, in the form of its sodium salt, as a medical anticoagulant. Formula: C 19 H 16 O 4

Word Origin for warfarin

C20: from the patent owners W (isconsin) A (lumni) R (esearch) F (oundation) + (coum) arin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for warfarin


[ wôrfər-ĭn ]

A white crystalline compound used as a rodenticide and as an anticoagulant in medicine. Warfarin is a derivative of coumarin. Chemical formula: C19H16O4.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.