Definition of sterol in English:

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Pronunciation: /ˈsterôl/
Pronunciation: /ˈsteˌräl/


Any of a group of naturally occurring unsaturated steroid alcohols, typically waxy solids.
Example sentences
  • Classically, endocrine hormones are considered to be derived from amino acids, peptides, or sterols and to act at sites distant from their tissue of origin.
  • Though these species are in the majority, in reality, biomembranes are quite complex mixtures of not only these simple lipids, but also of proteins and sterols.
  • Milk is composed of more than 12 different types of fat, including sphingolipids, free sterols, cholesterol, and oleic acid.


Early 20th century: independent usage of the ending of words such as cholesterol and ergosterol.

For editors and proofreaders

Syllabification: ste·rol

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