- any of a group of compounds including the sterols, bile acids, and sex hormones, characteristically having the carbon-atom ring structure of the sterols; specif., an anabolic steroid
- a drug consisting of, or a regimen involving, a compound from this group
Origin of steroid; from sterol + -oid
Informal augmented or strengthened, often, to an extreme or unnatural degree
Origin of steroidin allusion to the characteristic effects of anabolic steroids
Any of numerous naturally occurring or synthetic fat-soluble organic compounds having as a basis 17 carbon atoms arranged in four rings and including the sterols and bile acids, adrenal and sex hormones, certain natural drugs such as digitalis compounds, and the precursors of certain vitamins.
Origin of steroidster(ol) + –oid.
- ste′roid′, ste·roi′dal
- (biochemistry) 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.
- (bodybuilding) Any anabolic hormone used to promote muscle growth.
- (sports, US) Any chemical compound used to enhance athletic performance.
From sterol + -oid.