from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An estrogenic hormone, C18H24O3, found in the urine during pregnancy. Also called theelol.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A steroid hormone produced mostly during pregnancy
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a naturally occurring estrogenic hormone; a synthetic form is used to treat estrogen deficiency
es(trus) + tri- + -ol1.(American Heritage® Dictionary of the English Language, Fourth Edition)