noradrenaline

 
Pronunciation: /ˌnɔːrəˈdrɛn(ə)lɪn/

noun

[mass noun] Biochemistry
  • a hormone which is released by the adrenal medulla and by the sympathetic nerves and functions as a neurotransmitter. It is also used as a drug to raise blood pressure.
    • Chemical formula: (HO)2C6H3CHOHCH2NH2

Origin:

1930s: from nor- + adrenalin