hyperthyroidism

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

noun

, Pathology.

1. overactivity of the thyroid gland.
2. a condition resulting from this, characterized by increased metabolism and exophthalmos.

hyperthyroidism

/ ˌhaɪpəˈθaɪrɔɪˌdɪzəm /

noun

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

hyperthyroidism

/ 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

Derived Forms

• ˌhyperˈthyroid, adjectivenoun

Word History and Origins

Origin of hyperthyroidism¹

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

Example Sentences

Hyperthyroidism is eight times more common in women than in men.

From Project Gutenberg

The classical symptoms of hyperthyroidism are staring eyes and enlargement of the neck, but these need not be present.

From Project Gutenberg