Hypernyms (thermometer is a kind of...): measuring device; measuring instrument; measuring system (instrument that shows the extent or amount or quantity or degree of something) Meronyms (parts of thermometer):
Noun. 1. hormone-the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect. endocrine, internal secretion. secretion-a functionally specialized substance (especially one that is not a waste) released from a gland or cell.
Definitions: 1. those hormones of the anterior lobe of the pituitary that affect the growth, nutrition, or function of other endocrine glands (TRH, ACTH). The definition information for tropic hormones is provided by Stedman's. You can search our medical dictionary here.