bradykinin: Meaning and Definition of

brad•y•kin•in

Pronunciation: (brad"i-kin'in, -kī'nin), [key]
— n. Biochem.
  1. a peptide hormone that dilates peripheral blood vessels and increases capillary permeability.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.