Try Our Apps


The Best Internet Slang


[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.
Origin of sterol
1910-15; extracted from such words as cholesterol, ergosterol, etc. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
British Dictionary definitions for sterol


(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
Cite This Source
sterol in Medicine

sterol ster·ol (stěr'ôl', -ōl', stēr'-)
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.
Cite This Source
sterol in Science
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.
Cite This Source

Word of the Day

Difficulty index for sterol

Most English speakers likely know this word

Word Value for sterol

Scrabble Words With Friends

Nearby words for sterol