thyroid

American  

[thahy-roid] / ˈθaɪ rɔɪd /

adjective

1. of or relating to the thyroid gland.

2. of or relating to the largest cartilage of the larynx, forming the projection known in humans as the Adam's apple.

---

noun

1. thyroid gland.

2. the thyroid cartilage.

3. an artery, vein, etc., in the thyroid region.

4. Medicine/Medical. a preparation made from the thyroid glands of certain animals, used in treating hypothyroid conditions.

thyroid British  

/ ˈθaɪrɔɪd /

adjective

1. of or relating to the thyroid gland

2. of or relating to the largest cartilage of the larynx

---

noun

1. See thyroid gland

2. Also: thyroid extract.  the powdered preparation made from the thyroid gland of certain animals, used to treat hypothyroidism

thyroid Cultural  

1. A large gland in the neck that functions in the endocrine system. The thyroid secretes hormones that regulate growth and metabolism.

---

Other Word Forms

• antithyroid adjective
• postthyroidal adjective
• prethyroid adjective
• thyroidal adjective
• thyroidless adjective

Etymology

Origin of thyroid

1685–95; variant of thyreoid < Greek thyreoeidḗs shield-shaped, equivalent to thyre ( ós ) oblong shield (literally, doorlike object, equivalent to thýr ( a ) door + -eos adj. suffix) + -oeidēs -oid

Example Sentences

After several years of working in the ophthalmology office, McFadden was diagnosed with thyroid cancer and suffered from other health challenges, including struggling to walk, and she stopped working.

From MarketWatch

After several years of working in the ophthalmology office, McFadden was diagnosed with thyroid cancer and suffered from other health challenges, including struggling to walk, and she stopped working.

From MarketWatch

Exposure to these chemicals has been linked to health concerns including cancer, thyroid disease, and problems with brain development.

From Science Daily

In addition, the models had difficulty detecting breast, renal, thyroid, and stomach cancers in some demographic groups.

From Science Daily

All three have been affected by cancer - McCall said last month she had undergone surgery for breast cancer, while Balding was treated for thyroid cancer more than 15 years ago.

From BBC