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
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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 For instance, a person with hyperthyroidism and new palpitations may have warm, sweaty skin, whereas someone with anemia may appear pale or have cool hands and feet. Rafle Fernandez, Verywell Health, 10 Sep. 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 14 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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