growth hormone: Meaning and Definition of

growth' hor"mone

Pronunciation: [key]
  1. any substance that stimulates or controls the growth of an organism, esp. a species-specific hormone, as the human hormone somatotropin, secreted by the anterior pituitary gland. Abbr.: GH
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.