steroids - Definitions from Dictionary.com

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American Heritage Dictionary - Cite This Source - Share This

ster·oid Audio Help (stîr'oid', stěr'-) Pronunciation Key
n. 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.

[ster(ol) + -oid.]

ste'roid', ste·roid'al (stĭ-roid'l, stě-) adj.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Encyclopædia Britannica, Inc.
steroids

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The American Heritage Science Dictionary - Cite This Source - Share This

steroid Audio Help (stěr'oid') Pronunciation Key

Any of a large class of organic compounds having as a basis 17 carbon atoms arranged in four rings fused together. Steroids include many biologically important compounds, including cholesterol and other sterols, the sex hormones (such as testosterone and estrogen), bile acids, adrenal hormones, plant alkaloids, and certain forms of vitamins.
Any of various hormones having the structure of a steroid that are made synthetically, especially for use in medicine.
An anabolic steroid.

steroidal adjective

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

On-line Medical Dictionary - Cite This Source - Share This

steroids

steroids: in CancerWEB's On-line Medical Dictionary

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