thyroid

[ thahy-roid ]

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

/ 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
   See thyroid gland
2. Alsothyroid extract the powdered preparation made from the thyroid gland of certain animals, used to treat hypothyroidism

thyroid

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

Other Words From

• thy·roidal adjective
• thyroid·less adjective
• anti·thyroid adjective noun
• postthy·roidal adjective
• pre·thyroid adjective

Word History and Origins

Origin of thyroid¹

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

Word History and Origins

Origin of thyroid¹

C18: from New Latin thyroidēs, from Greek thureoeidēs, from thureos oblong (literally: door-shaped) shield, from thura door

Example Sentences

PFAS are dangerous because consistent exposure to the chemical is associated with low infant birth rates, thyroid hormone disruption, and even cancer according to the EPA.

From Popular-Science

Long-term exposures to PFAS have been associated with health problems that include certain cancers, infertility risks, thyroid disease and weakened immunity.

From Washington Post

The health effects of only a few PFAS are well known, but those compounds have been linked to high cholesterol, thyroid diseases and other problems.

From Science News

From the outside, that medical history added more concern to his thyroid procedure.

From Washington Post

Austin-based Everlywell develops at-home testing kits for a range of health concerns, including thyroid issues, allergies and food sensitivity.

From TechCrunch

If not, they risk facing complications including osteoporosis, thyroid disease and cancer.

From The Daily Beast

A doctor told her once that she weighed 159 pounds and she was so unconvinced that she was sure it was a thyroid problem.

From The Daily Beast

Caloric restriction has also been shown to have an effect on thyroid hormones, specifically T3.

From The Daily Beast

Yes, Alicia Silverstone just offered to cure your thyroid condition and lower your risk of contracting cancer.

From The Daily Beast

To this day, I take a half grain of thyroid—and an occasional Raisinet.

From The Daily Beast

Shows the thyroid cartilage above and the cricoid below both viewed from the side.

From Project Gutenberg

Showing the parts indicated above; and of these the crico-thyroid muscle is to be especially observed.

From Project Gutenberg

It is situated below the thyroid cartilage, with which it is connected by a membrane, the crico-thyroid.

From Project Gutenberg

To this last statement the thyroid and cricoid cartilages and the epiglottis are exceptions, being single.

From Project Gutenberg

Diagram showing action of crico-thyroid muscle, stretching of the vocal cords, and lengthening of them.

From Project Gutenberg