hypothyroidism

[ hahy-puh-thahy-roi-diz-uh m ]
/ ˌhaɪ pəˈθaɪ rɔɪˌdɪz əm /

noun Pathology.

deficient activity of the thyroid gland.
the condition produced by a deficiency of thyroid secretion, resulting in goiter, myxedema, and, in children, cretinism.

Origin of hypothyroidism

First recorded in 1900–05; hypo- + thyroid + -ism

Related forms

hy·po·thy·roid, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for hypothyroid

British Dictionary definitions for hypothyroid

hypothyroidism

/ (ˌhaɪpəʊˈθaɪrɔɪˌdɪzəm) /

noun pathol

insufficient production of thyroid hormones by the thyroid gland
any disorder, such as cretinism or myxoedema, resulting from this

Derived Forms

hypothyroid, noun, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for hypothyroid

hypothyroidism

[ hī′pō-thīroi-dĭz′əm ]

n.

Insufficient production of thyroid hormones.
A pathological condition resulting from thyroid insufficiency, which may lead to cretinism or myxedema.

Related forms

hy′po•thyroid adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for hypothyroid

hypothyroidism

[ hī′pō-thīroi-dĭz′əm ]

An abnormality of the thyroid gland characterized by insufficient production of thyroid hormone, which can result in a decreased basal metabolic rate, causing weight gain and fatigue. Compare hyperthyroidism.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.