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[an-tee-koh-ag-yuh-luh nt, an-tahy-] /ˌæn ti koʊˈæg yə lənt, ˌæn taɪ-/ Biochemistry, Pharmacology
Also, anticoagulative
[an-tee-koh-ag-yuh-ley-tiv, -luh-tiv, an-tahy-] /ˌæn ti koʊˈæg yəˌleɪ tɪv, -lə tɪv, ˌæn taɪ-/ (Show IPA)
. preventing coagulation, especially of blood.
an anticoagulant agent, as heparin.
Origin of anticoagulant
1900-05; anti- + coagulant Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for anticoagulant
  • But the researchers showed that their heparin is nontoxic and works well as an anticoagulant in animals.
  • The anticoagulant warfarin, for example, is frequently prescribed to prevent blood clots.
  • The anticoagulant can sometimes cause spontaneous bleeding.
  • But heparin, a frequently prescribed anticoagulant drug, is made from the lungs and bovine mucosa.
  • Patients have to supplement the device by taking anticoagulant medications that prevent blood clots.
  • If necessary, an anticoagulant drug such as heparin may be given, but this increases the risk of hemorrhage.
  • What's causing this ripple is the emergence of new anticoagulant drugs, or blood thinners.
British Dictionary definitions for anticoagulant


acting to prevent or impair coagulation, esp of blood
an agent that prevents or impairs coagulation
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
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Word Origin and History for anticoagulant

1905, adjective and noun, from anti- + coagulant.

Online Etymology Dictionary, © 2010 Douglas Harper
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anticoagulant in Medicine

anticoagulant an·ti·co·ag·u·lant (ān'tē-kō-āg'yə-lənt, ān'tī-)
A substance that delays or prevents the clotting of blood. adj.
Acting as an anticoagulant.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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anticoagulant in Science
  (ān'tē-kō-āg'yə-lənt, ān'tī-)   
A substance that prevents the clotting of blood.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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