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
Used since the 1950s to make consumer products nonstick, oil- and water-repellent and resistant to temperature change, PFAS chemicals have been linked to serious health problems, including cancer, fertility issues, high cholesterol, hormone disruption, liver damage, obesity and thyroid disease.
—
Sandee Lamotte, CNN, 10 Apr. 2024
Fat cells secrete adiponectin, a protein hormone which improves insulin sensitivity and lowers the risk of atherosclerosis and diabetes.
—Elizabeth Woolley, Verywell Health, 9 Apr. 2024
Melatonin is a chemical or hormone that our bodies produce to help promote sleep.
—Daryl Austin, USA TODAY, 8 Apr. 2024
Reduce Stress Research has shown that chronic (long-term) stress elevates the amount of the hormone cortisol.
—Laura Dorwart, Health, 8 Apr. 2024
It is formulated to reduce dryness, boost energy levels and balance hormone levels.
—Amber Smith, Discover Magazine, 6 Apr. 2024
Read More: What Borderline Cholesterol Really Means One recent study also analyzed the hormone used in the birth control shot, medroxyprogesterone acetate.
—Jamie Ducharme, TIME, 3 Apr. 2024
After an injury my hormones got screwed up and my breasts started to grow.
—Hazlitt, 3 Apr. 2024
For babies who are breastfed, their first source of sustenance is filled with proteins, sugars, hormones, vitamins, and minerals — just the right amount of nutrients for an infant.
—Deborah Balthazar, STAT, 29 Mar. 2024
Sandee Lamotte, CNN, 10 Apr. 2024
Fat cells secrete adiponectin, a protein hormone which improves insulin sensitivity and lowers the risk of atherosclerosis and diabetes.
—Elizabeth Woolley, Verywell Health, 9 Apr. 2024
Melatonin is a chemical or hormone that our bodies produce to help promote sleep.
—Daryl Austin, USA TODAY, 8 Apr. 2024
Reduce Stress Research has shown that chronic (long-term) stress elevates the amount of the hormone cortisol.
—Laura Dorwart, Health, 8 Apr. 2024
It is formulated to reduce dryness, boost energy levels and balance hormone levels.
—Amber Smith, Discover Magazine, 6 Apr. 2024
Read More: What Borderline Cholesterol Really Means One recent study also analyzed the hormone used in the birth control shot, medroxyprogesterone acetate.
—Jamie Ducharme, TIME, 3 Apr. 2024
After an injury my hormones got screwed up and my breasts started to grow.
—Hazlitt, 3 Apr. 2024
For babies who are breastfed, their first source of sustenance is filled with proteins, sugars, hormones, vitamins, and minerals — just the right amount of nutrients for an infant.
—Deborah Balthazar, STAT, 29 Mar. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hormone.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near hormone
Cite this Entry
“Hormone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hormone. Accessed 19 Apr. 2024.
Copy CitationKids 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
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
Beth Witrogen McLeod, Cooking LightLove words? Need even more definitions?
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