si·​tos·​ter·​ol | \ sī-ˈtä-stə-ˌrȯl How to pronounce sitosterol (audio) , sə-, -ˌrōl \

Definition of sitosterol

: any of several sterols that are widespread especially in plant products (such as wheat germ or soybean oil) and are used as starting materials for the synthesis of steroid hormones

Examples of sitosterol in a Sentence

Recent Examples on the Web Treatment lowered the girl’s sitosterol levels and helped her gain weight. Mark Johnson, USA Today, "In a Wisconsin village, the doctor makes house calls — and sees the rarest diseases on Earth," 29 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sitosterol.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of sitosterol

1898, in the meaning defined above

History and Etymology for sitosterol

Greek sitos grain + English sterol

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Time Traveler for sitosterol

Time Traveler

The first known use of sitosterol was in 1898

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Statistics for sitosterol

Cite this Entry

“Sitosterol.” Dictionary, Merriam-Webster, Accessed 19 Jan. 2021.

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More Definitions for sitosterol


si·​tos·​ter·​ol | \ sī-ˈtäs-tə-ˌrȯl How to pronounce sitosterol (audio) , sə- How to pronounce sitosterol (audio) , -ˌrōl \

Medical Definition of sitosterol

: any of several sterols that occur widely in plant products (as wheat germ or soybean oil) and are used in the synthesis of steroid hormones especially : beta-sitosterol

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