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
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

Kennedy also asserted that fluoride in the water is “associated with arthritis, bone fractures, bone cancer, IQ loss, neurodevelopmental disorders, and thyroid disease.”

From Salon

He also had diabetes, thyroid issues, angina and had recently had a heart attack.

From BBC

“There may be multifaceted issues, for example if a mother with low milk production has thyroid issues then that can be identified and treated, it is likely to improve her milk production,” she says.

From BBC

Perchlorate has been linked to potential brain damage in young children along with thyroid and hormone production problems in adults.

From Salon

The thyroid study was ultimately submitted in August 2022, but the EPA had already issued a notice of intent to suspend the technical-grade production of Dacthal.

From Los Angeles Times