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Definition of histamine

histamine

/ˈhɪs.tə.miːn/
his · ta · mine
Plural:histamines
•
Adjective:histaminic
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histamine Lexical Profile

histamine Game Scores & Validity

• noun

1

A nitrogenous organic compound released by mast cells and basophils during immune and allergic responses, which regulates physiological functions in the gut, dilates blood vessels, and acts as a neurotransmitter.

Example

"When the immune system detects pollen, it releases histamine, triggering symptoms such as sneezing and watery eyes."

• Rhymes for histamine

• Nearby Words

hiss
hisser
hissy
histamine
histogram
historian
historic

Word Origin & Etymology

Coined in the early 20th century as a blend of "histidine" (the amino acid from which it is derived, from Ancient Greek "histion" meaning "tissue") and "amine."

Cite this Entry

Wordmom. (2026). Definition of Histamine. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/histamine
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