from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A protein in the blood plasma that is essential for the coagulation of blood and is converted to fibrin by the action of thrombin in the presence of ionized calcium.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A protein that in humans plays a part in the forming of clots.
from the GNU version of the Collaborative International Dictionary of English
- n. An albuminous substance existing in the blood, and in other animal fluids, which either alone or with fibrinoplastin or paraglobulin forms fibrin, and thus causes coagulation.
from The Century Dictionary and Cyclopedia
- n. A proteid substance belonging to the group of globulins, found in the blood and concerned in the process of coagulation.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a protein present in blood plasma; converts to fibrin when blood clots
Sorry, no etymologies found.