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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
2
Examples of hormone in a Sentence
Recent Examples on the Web
Alabama law prohibits prescribing puberty blockers and hormones for gender dysphoria in minors.
—
Adrianna Rodriguez, USA TODAY, 4 Feb. 2025
Gender-affirming treatment for transgender children is very rare in the U.S., with a recent study reporting only about 1 in 1,000 adolescents received puberty blockers or hormones.
—
Joseph Wilkinson, New York Daily News, 3 Feb. 2025
In another group of rats, the animals additionally underwent a conventional bone-building hormone treatment.
—
Ben Coxworth, New Atlas, 2 Feb. 2025
President Donald Trump signed an executive order Tuesday ordering institutions that receive federal funding to stop performing gender-affirming surgeries on anyone under 19, and forbidding them from offering puberty blockers or hormones for gender-affirming purposes.
—
Meg Wingerter, The Denver Post, 31 Jan. 2025
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Word History
Phrases Containing hormone
- adrenocorticotropic hormone
- antidiuretic hormone
- brain hormone
- follicle-stimulating hormone
- gonadotropin-releasing hormone
- growth hormone
- hormone replacement therapy
- hormone therapy
- human growth hormone
- juvenile hormone
- luteinizing hormone
- luteinizing hormone-releasing factor
- luteinizing hormone-releasing hormone
- luteotrophic hormone
- luteotropic hormone
- melanocyte-stimulating hormone
- parathyroid hormone
- plant hormone
- sex hormone
- somatotropic hormone
- steroid hormone
- thyroid-stimulating hormone
- thyrotropic hormone
- thyrotropin-releasing hormone
Dictionary Entries Near hormone
Cite this Entry
“Hormone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hormone. Accessed 18 Feb. 2025.
Kids Definition
hormone
noun
hor·mone
ˈhȯr-ˌmōn
: a product of living cells that circulates in body fluids (as blood) or sap and produces a specific and often stimulating effect on cells usually at a distance from the place where it is made
Medical Definition
hormone
noun
hor·mone
ˈhȯr-ˌmōn
1
a
: 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
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
More from Merriam-Webster on hormone
Nglish: Translation of hormone for Spanish Speakers
Britannica.com: Encyclopedia article about hormone
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