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thrombin

[throm-bin] /ˈθrɒm bɪn/
noun, Biochemistry
1.
an enzyme of the blood plasma that catalyzes the conversion of fibrinogen to fibrin, the last step of the blood clotting process.
Origin
1895-1900
1895-1900; thromb(us) + -in2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for thrombin

thrombin

/ˈθrɒmbɪn/
noun
1.
(biochem) an enzyme that acts on fibrinogen in blood causing it to clot
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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thrombin in Medicine

thrombin throm·bin (thrŏm'bĭn)
n.
An enzyme in blood formed from prothrombin that facilitates blood clotting by reacting with fibrinogen to form fibrin. Also called thrombase.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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thrombin in Science
thrombin
  (thrŏm'bĭn)   
An enzyme in blood that catalyzes the conversion of fibrinogen to fibrin and is essential to the coagulation of blood.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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