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.
To avoid wallowing in their pity and reassurances, the women recite their own medical ailments (hyperthyroidism, gallstones, diabetes, irritable bowel) and promise to be there for each other. Sara Netzley, EW.com, 19 Dec. 2024 May Cause Bone Loss Too much thyroid hormone is called hyperthyroidism, and may present as heart palpitations, high blood pressure, shakiness, anxiety, weight loss, diarrhea, persistent thirst and itchiness. Yaakov Katz, Newsweek, 28 Nov. 2024 Graves' Disease Graves' disease, an autoimmune condition characterized by an overactive thyroid gland (hyperthyroidism), can be associated with polyphagia. Sarah Jividen, Health, 5 Dec. 2024 Individuals who are prescribed too much medication for hypothyroidism may end up with too much replacement thyroid hormone, leading to symptoms of hyperthyroidism—and this may explain why levothyroxine was associated with bone loss in the recent study. Yaakov Katz, Newsweek, 28 Nov. 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 8 Jan. 2025.

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

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