from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An iodine-containing hormone, C15H11I4NO4, produced by the thyroid gland, that increases the rate of cell metabolism and regulates growth and that is made synthetically for treatment of thyroid disorders.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A hormone (an iodine derivative of tyrosine), produced by the thyroid gland, that regulates cell metabolism and growth.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells
thyr(o)- + ox(y)- + in(dole).(American Heritage® Dictionary of the English Language, Fourth Edition)