hormone

noun
hor·​mone | \ˈhȯr-ˌmōn \

Definition of hormone 

1 : a product of living cells that circulates in body fluids (such as blood) or sap and produces a specific often stimulatory effect on the activity of cells usually remote from its point of origin also : a synthetic substance that acts like a hormone

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Other Words from hormone

hormonelike \ˈhȯr-​ˌmōn-​ˌlīk \ adjective

Examples of hormone in a Sentence

Recent Examples on the Web

The study was done by reviewing eight years of medical records of nearly 5,000 transgender patients in the Kaiser Health system, and looked at patients over the age of 18 who took hormones for gender transition. Avichai Scher /, NBC News, "Study finds health risks for transgender women on hormone therapy," 9 July 2018 That's because capsaicin, a compound found in jalapeno and cayenne peppers, may (slightly) increase your body's release of stress hormones such as adrenaline, which can speed up your ability to burn calories. Jaclyn London, Ms, Rd, Cdn, Good Housekeeping, "How to Lose Weight Faster, But Safely," 20 June 2018 Whether the long baths influenced other stress hormones is unclear. National Geographic, "Famous Japanese Snow Monkeys Take Baths to Lower Stress," 4 Apr. 2018 This effect is amplified when the stress hormone cortisol peaks in the morning. Gretchen Röehrs, Harper's BAZAAR, "The Reverse-Aging Diet (Yes, You Can Have Carbs)," 9 Mar. 2018 Simply putting new objects into their living space is enough to induce significant changes in their levels of stress hormones. The Economist, "The generation gameThe ramifications of a new type of gene," 22 Feb. 2018 The study, published today in the journal Neurology, reports smaller brain volumes and worse memories in people with higher-than-average levels of cortisol — popularly known as the stress hormone. Rachel Becker, The Verge, "Don’t stress out yet about stress shrinking your brain," 25 Oct. 2018 Hide our pain, our bodies splitting, our breasts leaking, our hormones raging. Amy Mackelden, Harper's BAZAAR, "Keira Knightley Criticizes Kate Middleton’s Perfect Post-Baby Body Appearance," 6 Oct. 2018 Hide our pain, our bodies splitting, our breasts leaking, our hormones raging. Kayleigh Roberts, Marie Claire, "Keira Knightley Just Criticized Kate Middleton for Hiding the Reality of Childbirth," 6 Oct. 2018

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

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First Known Use of hormone

1905, in the meaning defined at sense 1

History and Etymology for hormone

Greek hormōn, present participle of horman to stir up, from hormē impulse, assault; akin to Greek ornynai to rouse — more at rise

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Statistics for hormone

Last Updated

7 Dec 2018

Look-up Popularity

Time Traveler for hormone

The first known use of hormone was in 1905

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More Definitions for hormone

hormone

noun

English Language Learners Definition of hormone

: a natural substance that is produced in the body and that influences the way the body grows or develops

hormone

noun
hor·​mone | \ˈhȯr-ˌmōn \

Kids Definition of hormone

: any of various chemical substances produced by body cells and released especially into the blood and having a specific effect on cells or organs of the body usually at a distance from the place of origin

hormone

noun
hor·​mone | \ˈhȯr-ˌmōn \

Medical Definition of hormone 

1a : a product of living cells that circulates in body fluids (as blood) or sap and produces a specific often stimulatory effect on the activity of cells usually a distance from its point of synthesis Some people develop insulin resistance, a condition in which response to the hormone is muted and the body must produce excess insulin to maintain healthy blood-glucose concentrations.— Ben Harder, Science News, 18 May 2002

b : a synthetic substance that acts like a hormone

2 : sex hormone I discovered I had the classic signs of perimenopause, the prelude to “the change” when hormones yo-yo before menstrual periods cease altogether …— Beth Witrogen McLeod, Cooking Light, April 2000

Other Words from hormone

hormonelike \-​ˌlīk \ adjective

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More from Merriam-Webster on hormone

Rhyming Dictionary: Words that rhyme with hormone

Spanish Central: Translation of hormone

Nglish: Translation of hormone for Spanish Speakers

Britannica English: Translation of hormone for Arabic Speakers

Britannica.com: Encyclopedia article about hormone

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