sterol

sterol /ster·ol/ (ster´ol) any of a group of steroids with a long (8 to 10 carbons) aliphatic side-chain at position 17 and at least one alcoholic group; they have lipidlike solubility.

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ster·ol (strôl, -l, stîr-)

n.

Any of a group of predominantly unsaturated solid alcohols of the steroid group, such as cholesterol and ergosterol, present in the fatty tissues of plants and animals.

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sterol

any steroid, e.g. cholesterol and ergosterol, having long (8-10 carbons) aliphatic side-chains at position 17 and at least one alcoholic hydroxyl group; the sterols have lipid-like solubility.