[steer-awl, -ol, ster-] 
| any of a group of solid, mostly unsaturated, polycyclic alcohols, as cholesterol and ergosterol, derived from plants or animals. |
| ster·ol (stîr'ôl', -ōl', stěr'-) 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. [Short for cholesterol.] |
sterol ster·ol (stěr'ôl', -ōl', stēr'-)
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.
| sterol (stîr'ôl') Pronunciation Key
Any of various alcohols having the structure of a steroid, usually with a hydroxyl group (OH) attached to the third carbon atom. Sterols are found in the tissues of animals, plants, fungi, and yeasts and include cholesterol. |
ɔl