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kinin

1 American  
[kahy-nin, kin-in] / ˈkaɪ nɪn, ˈkɪn ɪn /

noun

Biochemistry.
  1. cytokinin.

  2. any of a group of hormones, formed in body tissues, that cause dilation of blood vessels and influence capillary permeability.


-kinin 2 American  
  1. a combining form used in the names of hormones, especially peptide hormones.

    bradykinin; cytokinin.


kinin British  
/ ˈkaɪnɪn /

noun

  1. any of a group of polypeptides in the blood that cause dilation of the blood vessels and make smooth muscles contract

  2. another name for cytokinin

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of kinin1

1950–55; independent use of -kinin, or (cyto)kin(esis) + -in 2

Origin of -kinin2

< Greek kīn ( eîn ) to move, set in motion ( kinesis, kinetic ) + -in 2