Adrenaline meaning

ə-drĕnə-lĭn
(biochemistry) An alternative name for epinephrine; the hormone and neurotransmitter.
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The definition of adrenaline is a hormone that causes your heart rate to speed up and gives you more energy.

Epinephrine is an example of adrenaline.

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Origin of adrenaline

  • From adrenal +"Ž -ine.

    From Wiktionary