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.
Medical Definition of hormonal. 1  1: of, relating to, utilizing, or produced by hormones hormonal changes hormonal disorders hormonal contraceptive methods. 2  2: markedly influenced or affected by hormones (as sex hormones) : exhibiting behavior characteristic of increasing or fluctuating hormone levels hormonal teenagers.