kinin

 
Pronunciation: /ˈkʌɪnɪn/

noun

  • 1 Biochemistry any of a group of substances formed in body tissue in response to injury. They are polypeptides and cause vasodilation and smooth muscle contraction.
  • 2 Botany a compound that promotes cell division and inhibits ageing in plants. Also called cytokinin.

Origin:

1950s: from Greek kinein 'to move' + -in1