from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of several antigens normally present in a fetus and occurring abnormally in adults as a result of certain neoplastic conditions or diseases of the liver.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of several antigens produced in a developing embryo, of which the most common is alpha-fetoprotein
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any of several antigens that occur naturally in the fetus and sometimes in adults with cancer
feto- + protein (Wiktionary)