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hyperthyroidism

[hahy-per-thahy-roi-diz-uh m] /ˌhaɪ pərˈθaɪ rɔɪˌdɪz əm/
noun, Pathology
1.
overactivity of the thyroid gland.
2.
a condition resulting from this, characterized by increased metabolism and exophthalmos.
Origin of hyperthyroidism
1895-1900
1895-1900; hyper- + thyroid + -ism
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for hyperthyroidism

hyperthyroidism

/ˌhaɪpəˈθaɪrɔɪˌdɪzəm/
noun
1.
overproduction of thyroid hormone by the thyroid gland, causing nervousness, insomnia, sweating, palpitation, and sensitivity to heat Also called thyrotoxicosis See exophthalmic goitre
Derived Forms
hyperthyroid, adjective, noun
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
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Word Origin and History for hyperthyroidism
n.

1895, from hyper- + thyroid + -ism.

Online Etymology Dictionary, © 2010 Douglas Harper
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hyperthyroidism in Medicine

hyperthyroidism hy·per·thy·roid·ism (hī'pər-thī'roi-dĭz'əm)
n.

  1. Pathologically excessive production of thyroid hormones.

  2. The condition resulting from excessive activity of the thyroid gland, characterized by increased basal metabolism.


hy'per·thy'roid adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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hyperthyroidism in Science
hyperthyroidism
  (hī'pər-thī'roi-dĭz'əm)   
An abnormality of the thyroid gland characterized by excessive production of thyroid hormone, which can result in an increased basal metabolic rate, causing weight loss, heart palpitations, and tremors. Compare hypothyroidism.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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