hyperthyroidism

American  

[hahy-per-thahy-roi-diz-uhm] / ˌhaɪ pərˈθaɪ rɔɪˌdɪz əm /

noun

Pathology.

1. overactivity of the thyroid gland.

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

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hyperthyroidism British  

/ ˌhaɪpəˈθaɪrɔɪˌdɪzəm /

noun

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

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hyperthyroidism Scientific  

/ hī′pər-thī′roi-dĭz′əm /

1. 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.

2. Compare hypothyroidism

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Other Word Forms

• hyperthyroid adjective

Etymology

Origin of hyperthyroidism

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

Example Sentences

And she has since developed fibromyalgia and Graves’ disease, an autoimmune condition that causes hyperthyroidism.

From Scientific American • Sep. 22, 2022

Jones was also dealing with hyperthyroidism — he was waived at the time with a non-football illness designation — which can result in fatigue.

From Seattle Times • Sep. 14, 2022

At this stage in his life, Sherman, suffering from hyperthyroidism and kidney disease that caused his weight to plummet to eight pounds, sticks to a routine.

From Los Angeles Times • Mar. 25, 2020

In the summer of 1979, Peterson presented the first five cases of feline hyperthyroidism to a standing-room-only crowd at a veterinary conference in Seattle.

From New York Times • May 16, 2017

At Plymouth, while waiting for the ship to sail, he complained of palpitation and pain about the heart, probably due to a transient hyperthyroidism, brought on by excitement.

From The Glands Regulating Personality by Berman, Louis, M.D.