EPINEPHRINE

epinephrine, epinephrin, adrenaline, Adrenalin

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

Source: WordNet® 3.1


Etymology

Noun

epinephrine (countable and uncountable, plural epinephrines)

(hormone, neurotransmitter, organic compound) 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.

Synonyms

• (hormone and neurotransmitter): adrenalin, adrenaline, 4,5-β-trihydroxy-N-methylphenethylamine

Hypernyms

• (hormone): catecholamine

• (neurotransmitter): monoamine, phenethylamine

Source: Wiktionary



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Word of the Day

19 January 2025

ELOQUENCE

(noun) powerful and effective language; “his eloquence attracted a large congregation”; “fluency in spoken and written English is essential”; “his oily smoothness concealed his guilt from the police”


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