lanosterol

[luh-nos-tuh-rawl, -rol]
noun Biochemistry.
  1. a sterol, C30H50O, formed from squalene epoxide, that is a precursor in the biosynthesis of cholesterol and is a component of lanolin.

Origin of lanosterol

First recorded in 1925–30; lano(lin) + sterol
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018