from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Pathologically excessive production of thyroid hormones.
- n. The condition resulting from excessive activity of the thyroid gland, characterized by increased basal metabolism.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The excessive production of hormones by the thyroid.
- n. The pathological condition resulting from these excess hormones.
from the GNU version of the Collaborative International Dictionary of English
- n. An abnormality of the thyroid gland characterized by the pathologically excessive production of thyroid hormones; -- also, the resulting condition characterized by increased metabolism, weight loss, rapid heart rate, high blood pressure, an enlarged thyroid gland and sometimes exophthalmos. It leads to, and may be confirmed by, high plasma levels of triiodothyronine or thyroxin.
from The Century Dictionary and Cyclopedia
- n. A condition of over-activity of the thyroid gland. Also called hyperthyroidation and hyperthyroidization.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an overactive thyroid gland; pathologically excessive production of thyroid hormones or the condition resulting from excessive production of thyroid hormones
Sorry, no etymologies found.