Scrabble Dictionary

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"Steroid" Definition

noun

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.

Source: American Heritage Dictionary

Any of various compounds containing a 17-carbon 4-ring system and including the and numerous hormones (as anabolic or corticosteroids) and glycosides.

Source: Merriam-Webster