hyperthyroidism

noun

hy·​per·​thy·​roid·​ism ˌhī-pər-ˈthī-ˌrȯi-ˌdi-zəm How to pronounce hyperthyroidism (audio)
: excessive functional activity of the thyroid gland
also : the resulting condition marked especially by increased metabolic rate, enlargement of the thyroid gland, rapid heart rate, and high blood pressure

Examples of hyperthyroidism in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Thyroid dysfunction, either underactive thyroid gland (hypothyroidism) or overactive thyroid gland (hyperthyroidism), may lead to heart block. Christopher Lee, Verywell Health, 25 Sep. 2024 Treating hyperthyroidism involves medicine, radioiodine therapy, or thyroid surgery. Colleen Doherty, Verywell Health, 19 Sep. 2024 The inability to gain weight may be due to a health condition like hyperthyroidism. Patty Weasler, Rn, Bsn, Verywell Health, 16 Oct. 2024 Injuries, certain medications, infections, skin conditions, and endocrine disorders like Addison's disease or hyperthyroidism can also cause a black line on one or more of your nails. Lindsay Curtis, Health, 10 Oct. 2024 See all Example Sentences for hyperthyroidism 

Word History

Etymology

International Scientific Vocabulary

First Known Use

circa 1900, in the meaning defined above

Time Traveler
The first known use of hyperthyroidism was circa 1900

Dictionary Entries Near hyperthyroidism

Cite this Entry

“Hyperthyroidism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyperthyroidism. Accessed 22 Nov. 2024.

Kids Definition

hyperthyroidism

noun
hy·​per·​thy·​roid·​ism ˌhī-pər-ˈthī-ˌrȯid-ˌiz-əm How to pronounce hyperthyroidism (audio)
-rəd-
: abnormally high activity of the thyroid gland
also : the resulting abnormal state of health
hyperthyroid
-ˌrȯid
adjective

Medical Definition

hyperthyroidism

noun
hy·​per·​thy·​roid·​ism -ˌrȯid-ˌiz-əm, -rəd- How to pronounce hyperthyroidism (audio)
: excessive functional activity of the thyroid gland
also : the resulting condition marked especially by increased metabolic rate, enlargement of the thyroid gland, rapid heart rate, and high blood pressure

called also thyrotoxicosis

see graves' disease

More from Merriam-Webster on hyperthyroidism

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