from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See serum.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The clear fluid obtained from whole blood by removing blood cells, platelets and fibrinogen; it is blood plasma without the fibrinogen.
from the GNU version of the Collaborative International Dictionary of English
- n. the pale yellowish fluid which exudes from the clot formed in the coagulation of the blood; the liquid portion of the blood, after removal of the blood corpuscles and the fibrin.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an amber, watery fluid, rich in proteins, that separates out when blood coagulates
Sorry, no etymologies found.
He swallowed pills made of fresh balck vomit, inserted small quan - tities of it into cuts in his arms and legs, and injected blood serum from a yellow fever patient into his own blood stream.