growth hormone

noun

1
: a vertebrate polypeptide hormone that is secreted by the anterior lobe of the pituitary gland and regulates growth
also : a recombinant version of this hormone

called also somatotropin

2

Examples of growth hormone in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
An organic farmer might use a tractor, a harvester, or a milking machine but avoid harmful fertilizers, pest controls, or animal growth hormones. Annie Levin, Washington Post, 10 Feb. 2026 Yes, inadequate sleep can limit growth hormone release, affecting overall development. William Jones, Ascend Agency, 10 Feb. 2026 Estrogen, insulin, growth hormone, and testosterone are anabolic hormones. Amy Brownstein, Verywell Health, 5 Feb. 2026 The other player to watch is Andy Pettitte, who has been hamstrung in the past by his use of human-growth hormone, a PED. Maury Brown, Forbes.com, 21 Jan. 2026 See All Example Sentences for growth hormone

Word History

First Known Use

1924, in the meaning defined at sense 1

Time Traveler
The first known use of growth hormone was in 1924

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Cite this Entry

“Growth hormone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/growth%20hormone. Accessed 16 Feb. 2026.

Kids Definition

growth hormone

noun
: a hormone in plants or animals that regulates growth
especially : one produced by the pituitary gland

Medical Definition

growth hormone

noun
: a vertebrate polypeptide hormone that is secreted by the anterior lobe of the pituitary gland and regulates growth
also : a recombinant version of this hormone

called also somatotropic hormone, somatotropin

see human growth hormone

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