growth hormone releasing factor: Meaning and Definition of

growth' hor"mone releas'ing fac"tor

Pronunciation: [key]
— Biochem. Biochem.
  1. a substance produced in the hypothalamus that regulates the release of growth hormone by the anterior pituitary gland. Abbr.: GRF
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.