sitosterol

[ sahy-tos-tuh-rawl, -rol ]

/ saɪˈtɒs təˌrɔl, -ˌrɒl /

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noun Chemistry.

any of five steroid alcohols having the formula C22H50O, especially the beta form, obtained from various plant sources: used in organic synthesis.

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Origin of sitosterol

First recorded in 1915–20; sito- + sterol

Words nearby sitosterol

sitomania, sit on, sit on one's hands, sit on the fence, sitophobia, sitosterol, sitotaxis, sitotoxin, sitotropism, sit out, sit over

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

British Dictionary definitions for sitosterol

sitosterol

/ (saɪˈtɒstəˌrɒl) /

noun

a white powder or waxy white solid extracted from soya beans, consisting of a mixture of isomers of the formula C 29 H 50 O with other sterols: used in cosmetics and medicine

Word Origin for sitosterol

C20: from Greek sitos food, grain + sterol

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 sitosterol

sitosterol

[ sī-tŏs′tə-rôl′, -rōl′, sĭ- ]

Any of a group of sterols that occur in high concentrations in certain plants, such as yams, and are used in the synthesis of steroid hormones.