English Dictionary

steroid

noun

(biochemistry, organic chemistry) 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.

He was prescribed a steroid to reduce inflammation.

意味（1）

(biochemistry, organic chemistry) 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.

意味（2）

(bodybuilding, sports) Any anabolic hormone used to promote muscle growth or athletic performance.