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thyroid hormone

American

[thahy-roid hawr-mohn] / ˈθaɪ rɔɪd ˌhɔr moʊn /

noun

plural

thyroid hormones

Biochemistry. any of the hormones produced by the thyroid gland, primarily triiodothyronine and thyroxine.

thyroid hormone Scientific

A hormone, such as thyroxine, produced by the thyroid gland.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Prescription eye drops Alphagan and Combigan, chronic inflammation treatment Humira, and thyroid hormone replacement medication Synthroid are among the drugs AbbVie will offer on the portal.

From Barron's • Jan. 13, 2026

These patients would switch to other types of antidepressants, including tricyclics, or could augment the treatment with either lithium or the thyroid hormone Cytomel; close to 14 percent experienced remission of their depression symptoms.

From Salon • May 23, 2025

Graves' disease is an autoimmune condition where your immune system produces antibodies that cause the thyroid to produce too much thyroid hormone, according to the NHS.

From BBC • Aug. 7, 2024

Instead, such patients are treated with thyroid hormone to compensate for the changes in normal thyroid function that accompany autoimmune thyroid disease.

From Science Daily • Nov. 22, 2023

The isolation of thyroxin has made possible the determination of the influence of the thyroid hormone upon the evolution of energy in any higher animal organism.

From The Glands Regulating Personality by Berman, Louis, M.D.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023