hyperthyroidism

[ hahy-per-thahy-roi-diz-uhm ]

/ ˌhaɪ pərˈθaɪ rɔɪˌdɪz əm /

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noun Pathology.

overactivity of the thyroid gland.

a condition resulting from this, characterized by increased metabolism and exophthalmos.

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Origin of hyperthyroidism

First recorded in 1895–1900; hyper- + thyroid + -ism

Words nearby hyperthyroidism

hypertext markup language, hyperthermia, hyperthermophile, hyperthymia, hyperthyroid, hyperthyroidism, hypertonia, hypertonic, hypertrichosis, hypertrophic, hypertrophy

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use hyperthyroidism in a sentence

Hyperthyroidism is eight times more common in women than in men.
When You Don't Know Where to Turn|Steven J. Bartlett
The classical symptoms of hyperthyroidism are staring eyes and enlargement of the neck, but these need not be present.
When You Don't Know Where to Turn|Steven J. Bartlett

British Dictionary definitions for hyperthyroidism

hyperthyroidism

/ (ˌhaɪpəˈθaɪrɔɪˌdɪzəm) /

noun

overproduction of thyroid hormone by the thyroid gland, causing nervousness, insomnia, sweating, palpitation, and sensitivity to heatAlso called: thyrotoxicosis See exophthalmic goitre

Derived forms of hyperthyroidism

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

Scientific definitions for hyperthyroidism

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.