thy·roid
ˈthī-ˌrȯid 
1
: a large bilobed endocrine gland of vertebrates lying at the anterior base of the neck and producing especially the hormones thyroxine and triiodothyronine
2
: a preparation of the thyroid gland of various domestic animals used in treating thyroid disorders
thy·roid
ˈthī-ˌrȯid
variants
or less commonly thyroidal
1
a
: of, relating to, or being the thyroid gland
b
: suggestive of a disordered thyroid
a thyroid personality
2
: of, relating to, or being the chief cartilage of the larynx
Examples of thyroid in a Sentence
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Alexandria Nyembwe, Phd, Rn, Health, 4 Nov. 2024
Fluoride is an industrial waste associated with arthritis, bone fractures, bone cancer, IQ loss, neurodevelopmental disorders, and thyroid disease.
—David Faris, Newsweek, 3 Nov. 2024
Taylor Seely, The Arizona Republic, 30 Dec. 2022
Today, iodine deficiencies are less common, with thyroid dysfunction from iodine deficiency affecting about 30 percent of the world.
—Anna Funk, Discover Magazine, 6 June 2021
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Noun
An overactive thyroid can speed up heart rate and cause irregular heart rhythms.
—Alexandria Nyembwe, Phd, Rn, Health, 4 Nov. 2024
Fluoride is an industrial waste associated with arthritis, bone fractures, bone cancer, IQ loss, neurodevelopmental disorders, and thyroid disease.
—David Faris, Newsweek, 3 Nov. 2024
Adjective
Arizona's top attorney sued a thyroid drug maker, saying the company lied about the potency of its medication and the harmful effects on consumers.
—Taylor Seely, The Arizona Republic, 30 Dec. 2022
Today, iodine deficiencies are less common, with thyroid dysfunction from iodine deficiency affecting about 30 percent of the world.
—Anna Funk, Discover Magazine, 6 June 2021
See all Example Sentences for thyroid
Dictionary Entries Near thyroid
Cite this Entry
“Thyroid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thyroid. Accessed 29 Nov. 2024.
Copy CitationKids Definition
thyroid
1 of 2 adjective
thy·roid
ˈthī-ˌrȯid
: of, relating to, or being the thyroid gland
thyroid
2 of 2 noun
: a large endocrine gland at the base of the neck of most vertebrates that produces iodine-containing hormones (as thyroxine) that affect growth, development, and metabolism
called also thyroid gland
Medical Definition
thyroid
1 of 2 adjective
thy·roid
ˈthī-ˌrȯid
variants
also thyroidal
1
a
: of, relating to, affecting, or being the thyroid gland
thyroid disorders
2
: of, relating to, or being the thyroid cartilage
thyroid
2 of 2 noun1
: a large bilobed endocrine gland of craniate vertebrates that arises as a median ventral outgrowth of the pharynx, lies in the anterior base of the neck or anterior ventral part of the thorax, is often accompanied by lateral accessory glands sometimes more or less fused with the main mass, and produces especially the hormones thyroxine and triiodothyronine
called also thyroid gland
2
: a preparation of the thyroid gland of various domesticated food animals (as pigs) containing approximately ¹/₁₀ percent of iodine combined in thyroxine and used in treating thyroid disorders
called also thyroid extract
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