- a combining form with the meanings “blood clot,” “coagulation,” “thrombin,” used in the formation of compound words: thrombocyte.
Also especially before a vowel, thromb-.
Origin of thrombo-
< Greek, combining form of thrómbos clot, lump
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
sometimes before a vowel thromb-
- indicating a blood clotthromboembolism
from Greek thrombos lump, clot
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
- Blood clot; blood clotting:thromboplastin.