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sterol

[steer-awl, -ol, ster-] /ˈstɪər ɔl, -ɒl, ˈstɛr-/
noun, Biochemistry
1.
any of a group of solid, mostly unsaturated, polycyclic alcohols, as cholesterol and ergosterol, derived from plants or animals.
Origin
1910-1915
1910-15; extracted from such words as cholesterol, ergosterol, etc.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for sterol
  • Beta-sitosterol is a plant sterol found in some of these herbs that is marketed as a dietary supplement for prostate health.
British Dictionary definitions for sterol

sterol

/ˈstɛrɒl/
noun
1.
(biochem) any of a group of natural steroid alcohols, such as cholesterol and ergosterol, that are waxy insoluble substances
Word Origin
C20: shortened from cholesterol, ergosterol, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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sterol in Medicine

sterol ster·ol (stěr'ôl', -ōl', stēr'-)
n.
Any of a group of predominantly unsaturated solid alcohols of the steroid group, such as cholesterol and ergosterol, present in the fatty tissues of plants and animals.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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sterol in Science
sterol
  (stîr'ôl')   
Any of various alcohols having the structure of a steroid, usually with a hydroxyl group (OH) attached to the third carbon atom. Sterols are found in the tissues of animals, plants, fungi, and yeasts and include cholesterol.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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