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stigmasterol

[stig-mas-tuh-rawl, -rohl]
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noun Biochemistry.
  1. a crystalline, water-insoluble steroid, C29H48O, present in soybeans or calabar beans, used chiefly as a raw material in the manufacture of progesterone.
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Origin of stigmasterol

1920–25; < New Latin (Physo)stigma (see physostigmine) + sterol
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for stigmasterol

stigmasterol

noun
  1. biochem a sterol obtained from Calabar beans and soya beans and used in the manufacture of progesterone. Formula: C 29 H 47 OH
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Word Origin

C20: from New Latin (physo) stigma genus name of the Calabar bean + sterol; see physostigmine
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