anticoagulant

[ an-tee-koh-ag-yuh-luhnt, an-tahy- ]

/ ˌæn ti koʊˈæg yə lənt, ˌæn taɪ- /

Biochemistry, Pharmacology

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adjective

Also an·ti·co·ag·u·la·tive

[an-tee-koh-ag-yuh-ley-tiv, -luh-tiv, an-tahy-]. /ˌæn ti koʊˈæg yəˌleɪ tɪv, -lə tɪv, ˌæn taɪ-/. preventing coagulation, especially of blood.

noun

an anticoagulant agent, as heparin.

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Origin of anticoagulant

First recorded in 1900–05; anti- + coagulant

Words nearby anticoagulant

anticline, anticlinorium, anticlockwise, anticlotting, anticly, anticoagulant, anticoagulants, anticodon, anticoincidence, anticolonial, anticolonialism

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use anticoagulant in a sentence

Vaccine-induced antibodies attach to a protein involved in blood clotting at a similar spot that the anticoagulant drug heparin does, spurring platelets to form clots, researchers report July 7 in Nature.
How antibodies may cause rare blood clots after some COVID-19 vaccines|Erin Garcia de Jesús|July 7, 2021|Science News
Four of the vaccine recipients of the Johnson & Johnson vaccine were treated initially with heparin, an anticoagulant that is not recommended because the events closely resemble an immune-triggered reaction to the drug that could worsen the clots.
CDC advisers reconvene to weigh next steps on Johnson & Johnson vaccine after rare, serious blood clots|Lena H. Sun, Carolyn Y. Johnson|April 23, 2021|Washington Post
There was an initial concern that people with the condition might be treated with the anticoagulant heparin, which can worsen it.
CDC advisers reconvene to weigh next steps on Johnson & Johnson vaccine after rare, serious blood clots|Lena H. Sun, Carolyn Y. Johnson|April 23, 2021|Washington Post
Four of those vaccine recipients were treated initially with heparin, an anticoagulant that is not recommended because the events closely resemble an immune-triggered reaction to the drug that could worsen the clots.
CDC vaccine advisers seek more data on rare blood clots before deciding whether to resume Johnson & Johnson shots|Lena H. Sun, Carolyn Y. Johnson|April 14, 2021|Washington Post

That would make the condition similar to low platelet levels and blood clots sparked by an immune response to the anticoagulant drug heparin.
AstraZeneca’s COVID-19 vaccine is tied to uncommon blood clots in rare cases|Erin Garcia de Jesús|April 7, 2021|Science News
I was in intensive care for five days, hooked up to an anticoagulant drip.
How Did I Have a Stroke in My 20s?|Elizabeth Gates|August 22, 2010|DAILY BEAST

British Dictionary definitions for anticoagulant

anticoagulant

/ (ˌæntɪkəʊˈæɡjʊlənt) /

adjective

acting to prevent or impair coagulation, esp of blood

noun

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

Scientific definitions for anticoagulant

anticoagulant

[ ăn′tē-kō-ăg′yə-lənt, ăn′tī- ]

A substance that prevents the clotting of blood.