1. Any of numerous fat-soluble organic compounds that have a core structure of 17 carbon atoms arranged in four rings, found naturally in animals, plants, and fungi, or produced synthetically. Steroids include the sterols (such as cholesterol), sex hormones (such as estrogen and testosterone), corticosteroid hormones (such as cortisol), bile acids, and anabolic steroids.
2. Informal An anabolic steroid.
In a very large, enhanced, or exaggerated form: “a weapon one observer had called an M16 on steroids” (Stephen Coonts).
ste′roid′, ste·roi′dal (stĕ-roid′l, stĭ-) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
|Adj.||1.||steroidal – of or relating to steroid hormones or their effects
nonsteroidal – not steroidal or not having the effects of steroid hormones
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