epinephrin

E1P3I1N1E1P3H4R1I1N1

A form of epinephrine — A catecholamine hormone and neurotransmitter; as a hormone, secreted by the adrenal gland in response to stress (when it stimulates the autonomic nervous system); as a neurotransmitter, synthesized from norepinephrine. It is also used as a medication.

Similar
epinephrineadrenalineAdrenalin
Scrabble 17
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Meanings

nounepinephrin (uncountable)
  1. alternativeuncountableAlternative form of epinephrine.

Synonyms & antonyms

nouna catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action

Similar
epinephrineadrenalineAdrenalin
Broader
neurotransmittervasoconstrictorvasoconstrictivepressor
Also see
adrenalineepinephrine

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

epinephrin. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/epinephrin

MLA

“epinephrin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/epinephrin. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “epinephrin,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/epinephrin.

Source: epinephrin on Wiktionary, CC BY-SA 4.0.