noun
Uncommon
serotonin
seh-ruh-TOH-nihn
Serotonin (noun) means a brain chemical that helps regulate mood, appetite, and feelings of well-being. Example: “Exercise is known to boost serotonin levels naturally.”
noun
1
A brain chemical that helps regulate mood, appetite, and feelings of well-being.
"Exercise is known to boost serotonin levels naturally."
"Low serotonin is linked to symptoms of depression."
How to use serotonin
Learner’s notesIn plain EnglishA chemical messenger in the brain that helps control mood and happiness.
Easily confused with
Common pairings
serotonin levels
boost serotonin
serotonin reuptake
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Word forms
- Plural
- serotonins
Fill the gap
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Exercise is known to boost _____ levels naturally.
Etymology
Coined from "sero-" (from serum) plus "tone" and the chemical suffix "-in."
Synonyms
View more →
5-hydroxytryptamine
Rhymes for serotonin
See all rhymes for serotonin →Frequently asked questions
What does “serotonin” mean?
The word “serotonin” means a brain chemical that helps regulate mood, appetite, and feelings of well-being. In plain terms, a chemical messenger in the brain that helps control mood and happiness.
How do you pronounce “serotonin”?
“Serotonin” is pronounced seh-ruh-TOH-nihn (/ˌsɛɹəˈtoʊnɪn/ in IPA).
How do you use “serotonin” in a sentence?
Here is “serotonin” used in a sentence: “Exercise is known to boost serotonin levels naturally.”
What part of speech is “serotonin”?
“Serotonin” is a noun.
Is “serotonin” a common word?
“Serotonin” is an uncommon word in modern English.
