What is the meaning of Steroid?
A class of organic compounds having a structure of 17 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.
steroid (class of organic compounds)
steroid (any anabolic hormone used to promote muscle growth or athletic performance)
a steroid
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