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a combining form with the meanings “blood clot,” “coagulation,” “thrombin,” used in the formation of compound words:
Also, especially before a vowel, thromb-.
Origin of thrombo-
< Greek, combining form of thrómbos clot, lump Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for thrombo-


combining form
indicating a blood clot: thromboembolism
Word Origin
from Greek thrombos lump, 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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Word Origin and History for thrombo-

word-forming element meaning "blood clot," from comb. form Greek thrombos "clot of blood" (see thrombus).

Online Etymology Dictionary, © 2010 Douglas Harper
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thrombo- in Medicine

thrombo- or thromb-
Blood clot; blood clotting: thromboplastin.

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