steroid /ˈstɛɹɔɪd/ noun2 •A class of organic compounds having a structure of seventeen carbon atoms arranged in four rings; they are lipids, and occur naturally as sterols, bile acids, adrenal and sex hormones, and some vitamins; many drugs are synthetic steroids. •Any anabolic hormone used to promote muscle growth or athletic performance.Men may also have fertility challenges, especially if their hypogonadism was caused by anabolic steroid use. Anabolic steroids can affect testicular health, including reducing the production of sperm. — 2018 formssteroids
