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hypothyroidism

[hahy-puh-thahy-roi-diz-uh m]
noun Pathology.
  1. deficient activity of the thyroid gland.
  2. the condition produced by a deficiency of thyroid secretion, resulting in goiter, myxedema, and, in children, cretinism.
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Origin of hypothyroidism

First recorded in 1900–05; hypo- + thyroid + -ism
Related formshy·po·thy·roid, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for hypothyroid

hypothyroidism

noun pathol
  1. insufficient production of thyroid hormones by the thyroid gland
  2. any disorder, such as cretinism or myxoedema, resulting from this
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Derived Formshypothyroid, 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
hypothyroid in Medicine

hypothyroidism

(hī′pō-thī′roi-dĭz′əm)
n.
  1. Insufficient production of thyroid hormones.
  2. A pathological condition resulting from thyroid insufficiency, which may lead to cretinism or myxedema.
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Related formshy′po•thy′roid adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
hypothyroid in Science

hypothyroidism

[hī′pō-thī′roi-dĭz′əm]
  1. 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.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.