from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A minute, nonnucleated, disklike cytoplasmic body found in the blood plasma of mammals that is derived from a megakaryocyte and functions to promote blood clotting. Also called blood platelet, thrombocyte.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A small colorless disk-shaped particle found in the blood of mammals, which plays an important role in the formation of blood clots.
from The Century Dictionary and Cyclopedia
- n. In anatomy, a little plate; a plaque or plaquette
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. tiny bits of protoplasm found in vertebrate blood; essential for blood clotting
Sorry, no etymologies found.