thyroid
noun
thy·roid
| \ ˈthī-ˌrȯid
\
\
Definition of thyroid
(Entry 1 of 2)
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
thyroid
adjective
thy·roid
| \ ˈthī-ˌrȯid
\
\
variants:
or less commonly thyroidal \ thī-ˈrȯi-dᵊl
\
\
Definition of thyroid (Entry 2 of 2)
1a
: 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
Recent Examples on the Web: Noun
True Health testing covers more than 300 biomarkers, from thyroid hormones to diabetes risk factors. — Orla Mccaffrey, Dallas News, "Frisco diagnostic firm lays off workers, files for bankruptcy after feds yank payments," 31 July 2019 Abby Is Rushed To the Hospital With Neck Pain In April 2018, Miller was rushed to the hospital because of an unknown thyroid condition. — Sophia Caraballo, Woman's Day, "All the Details Of 'Dance Moms' Abby Lee Miller’s Medical Past," 28 July 2019 Revenue also is growing from partnerships with other companies to jointly sell Lynparza for ovarian cancer and Lenvima for liver, kidney and thyroid cancer. — Washington Post, "Merck’s global sales jump 12% in second quarter," 30 July 2019 Array’s drug targets a mutation called BRAF, which can show up in some forms of melanoma, colorectal, and thyroid cancers, among others. — Drew Armstrong, BostonGlobe.com, "Pfizer expands in cancer with $10.6 billion deal for Array," 17 June 2019 In December, Susan Binford was diagnosed with thyroid cancer. — Matthew Vantryon, Indianapolis Star, "Jake Stout was a 'flashy' starter. Then he rode the bench. Now, he can help HSE win state.," 15 June 2019 The mother of two had been in line to work toward a clinical psychology doctorate near Walter Reed National Military Medical Center, but the Navy decided not to send her to the program because of her history with thyroid cancer. — Fox News, "Lawmaker wants US Navy ship to be named after female service member killed in Syria," 15 June 2019 She was then diagnosed with thyroid cancer in 2010 and underwent radioactive treatment. — George Ramsay, CNN, "Gabriele Grunewald: Professional runner inspired 'hope' in cancer fight," 12 June 2019 Doses of potassium iodide, if administered within ten days, can protect against thyroid cancer. — Mona Charen, National Review, "Lessons of Chernobyl," 7 June 2019Recent Examples on the Web: Adjective
The thyroid produces thyroid hormone (TH), which regulates your body's metabolism, heartbeat, temperature, mood, and other important processes—reaching out to nearly every single cell in your body. — Maggie O'neill, Health.com, "The Growths on This Child’s Tongue Led to an Extremely Rare Medullary Thyroid Cancer Diagnosis," 17 July 2019 So, what is thyroid cancer—specifically, medullary thyroid cancer? — Maggie O'neill, Health.com, "The Growths on This Child’s Tongue Led to an Extremely Rare Medullary Thyroid Cancer Diagnosis," 17 July 2019 Soy foods don’t affect thyroid function in people with healthy thyroids, found a Loma Linda University review of 14 studies. — Marygrace Taylor, Good Housekeeping, "Is Soy Good or Bad for You? Here's the Science-Backed Answer," 18 July 2018 Soy foods don’t affect thyroid function in people with healthy thyroids, found a Loma Linda University review of 14 studies. — Marygrace Taylor, Good Housekeeping, "Is Soy Good or Bad for You? Here's the Science-Backed Answer," 18 July 2018 Soy foods don’t affect thyroid function in people with healthy thyroids, found a Loma Linda University review of 14 studies. — Marygrace Taylor, Good Housekeeping, "Is Soy Good or Bad for You? Here's the Science-Backed Answer," 18 July 2018 Soy foods don’t affect thyroid function in people with healthy thyroids, found a Loma Linda University review of 14 studies. — Marygrace Taylor, Good Housekeeping, "Is Soy Good or Bad for You? Here's the Science-Backed Answer," 18 July 2018 Possible causes include thyroid surgery to fully or partially remove the gland for some reason, like cancer. — Carolyn L. Todd, SELF, "Are Hashimoto’s Disease and Hypothyroidism the Same Thing?," 14 May 2018 Treatment involves taking a once-daily dose of levothyroxine, a synthetic replacement for thyroid hormone, according to the National Institute of Diabetes and Digestive and Kidney Diseases. — Carolyn L. Todd, SELF, "Are Hashimoto’s Disease and Hypothyroidism the Same Thing?," 14 May 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thyroid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for thyroid
thyroid
noun
English Language Learners Definition of thyroid
medical
: a small gland in the neck that affects growth
thyroid
noun
thy·roid
| \ ˈthī-ˌrȯid
\
\
Kids Definition of thyroid
: a gland at the base of the neck that produces hormones which affect growth, development, and the rate at which the body uses energy
thyroid
adjective
thy·roid
| \ ˈthī-ˌrȯid
\
\
variants:
also thyroidal \ thī-ˈrȯid-ᵊl
\
\
Medical Definition of thyroid
(Entry 1 of 2)
1a
: of, relating to, affecting, or being the thyroid gland
thyroid disorders
2
: of, relating to, or being the thyroid cartilage
thyroid
nounMedical Definition of thyroid (Entry 2 of 2)
1
: 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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