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.

---

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

---

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

---

Other Word Forms

• hyperthyroid adjective

Etymology

Origin of hyperthyroidism

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

Example Sentences

Though she was “a little freaked out” to hear the words “autoimmune disease” from her doctor, Luddington said they reassured her that Hashimoto’s hyperthyroidism is a “very common” disorder.

From Los Angeles Times

So can several medical conditions, including hyperthyroidism and multiple sclerosis.

From Scientific American

She had all the symptoms of hyperthyroidism, and I had simply not seen it.

From New York Times

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

From Scientific American

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