sterol

[ steer-awl, -ol, ster- ]
/ ˈstɪər ɔl, -ɒl, ˈstɛr- /

noun Biochemistry.

any of a group of solid, mostly unsaturated, polycyclic alcohols, as cholesterol and ergosterol, derived from plants or animals.

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Origin of sterol

1910–15; extracted from such words as cholesterol, ergosterol, etc.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for sterol

sterol
/ (ˈstɛrɒl) /

noun

biochem any of a group of natural steroid alcohols, such as cholesterol and ergosterol, that are waxy insoluble substances

Word Origin for sterol

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

Medical definitions for sterol

sterol
[ stĕrôl′, -ōl′, stîr- ]

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.

Scientific definitions for sterol

sterol
[ stîrôl′ ]

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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.