growth hormone


Definition of growth hormone

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

Examples of growth hormone in a Sentence

Recent Examples on the Web Years ago, Kendrick was outspoken about not wanting PED users in his organization after reliever Jason Grimsley’s home was raided in 2006 by federal agents investigating his alleged use of human-growth hormone. Nick Piecoro, azcentral, "Ken Kendrick opens up on Diamondbacks' ‘magician’ GM, cheating scandal, Chase Field future," 17 Feb. 2020 Collins missed the first 25 games this season due to a positive test for a growth hormone but his numbers haven't shown any drop-off since his return. Nat Newell, Indianapolis Star, "Who could the Pacers have drafted at No. 18 in 2017?," 5 Feb. 2020 Another hit came in the 1990s when a national controversy erupted over the practice of injecting dairy cows with rBGH — recombinant bovine growth hormone., "Americans love soda, fancy water and fake milk. Can the dairy industry keep up?," 7 Jan. 2020 The older trees had lower levels of a growth hormone called indole-3-acetic acid and higher levels of a growth-inhibiting hormone called abscisic acid. Erin Malsbury, Science | AAAS, "How the Ginkgo biloba achieves near-immortality," 13 Jan. 2020 After several trials, Beever found a way: a herbicide that mimics natural plant growth hormones. Bradley White, National Geographic, "The story of the world’s loneliest tree," 24 Dec. 2019 That growth, which is achieved through feeding cows corn and soy at the end of their lives, as well as the routine use of antibiotics and artificial growth hormones, carries environmental, public health and animal welfare tradeoffs. Deena Shanker,, "Meat-free burgers turn climate concerns into a sales pitch," 7 Nov. 2019 The league announced on Tuesday that Collins had tested positive for growth hormone-releasing peptide-2 (GHRP-2), which is known to increase appetite. Marc Stein, New York Times, "Hawks’ John Collins Is Suspended 25 Games for Violating Drug Policy," 5 Nov. 2019 In the organic, bovine growth hormones, or bGH, residue levels were found to be 0.5 nanograms per milliliter. Rebekah Tuchscherer, USA TODAY, "Study finds residue of pesticides, antibiotics and growth hormone in non-organic milk," 26 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'growth hormone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of growth hormone

1924, in the meaning defined at sense 1

Keep scrolling for more

Learn More about growth hormone

Time Traveler for growth hormone

Time Traveler

The first known use of growth hormone was in 1924

See more words from the same year

Statistics for growth hormone

Cite this Entry

“Growth hormone.” Dictionary, Merriam-Webster, Accessed 12 Aug. 2020.

Keep scrolling for more

More Definitions for growth hormone

growth hormone


Medical Definition of growth hormone

: 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

More from Merriam-Webster on growth hormone Encyclopedia article about growth hormone

Comments on growth hormone

What made you want to look up growth hormone? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Original Meanings Quiz

  • rembrandt painting a young scholar and his tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!