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.
Even though these hormones originate in the anterior pituitary gland, which is an endocrine gland itself, the targets of these four hormones are other endocrine glands. When we look at hormones that have other endocrine glands as their target, we call them tropic hormones.