Dictionary
ki•nin
Pronunciation: (kī'nin, kin'in), [key]—
n. Biochem.
1. cytokinin.
2. any of a group of hormones, formed in body tissues, that cause dilation of blood vessels and influence capillary permeability.
-kinin
a combining form used in the names of hormones, esp. peptide hormones:
bradykinin; cytokinin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.