Noun has 2 senses

• releasing factor(n = noun.substance) releasing hormone, rf - a substance produced by the hypothalamus that is capable of accelerating the secretion of a given hormone by the anterior pituitary gland;



• releasing factor(n = noun.body) hypothalamic releasing factor, hypothalamic releasing hormone, releasing hormone, rh - any of several hormones produced in the hypothalamus and carried by a vein to the anterior pituitary gland where they stimulate the release of anterior pituitary hormones; each of these hormones causes the anterior pituitary to secrete a specific hormone;