Definition of norepinephrine in English:


Line breaks: nor¦epin|eph¦rine
Pronunciation: /ˌnɔːrɛpɪˈnɛfrɪn
, -riːn/


  • another term for noradrenaline.
    More example sentences
    • When you're under stress your adrenal glands produce the hormones cortisol, norepinephrine, and adrenaline.
    • Within the adrenal medulla dopamine is converted to norepinephrine and epinephrine.
    • As a natural response to a diseased heart, the body releases the hormone norepinephrine, causing the heart to beat up to five times faster than normal.


1940s: from nor- + epinephrine.

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