from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A procedure that measures minute amounts of a substance, such as a hormone or drug, by quantitating the binding, or the inhibition of binding, of a radiolabeled substance to an antibody.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A procedure that uses the binding of a radioactively labeled substance to an antibody in order to analyze minute amounts of biological compounds
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. immunoassay of a substance that has been radioactively labeled
radio- + immunoassay (Wiktionary)