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cho·les·tane kə-'les-.tān n a crystalline saturated steroid hydrocarbon C27H48 obtained from cholesterol by reduction
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cho·les·tane (koґləs-tān) a saturated steroid hydrocarbon, with C-18 and C-19 methyl groups and an isooctyl side chain at C-17; obtained by reduction of cholesterol and other C27 steroids.Medical dictionary. 2011.