Sterol

//ˈstɛɹɒl// noun

Definitions

Noun
  1. 1
    Any steroid that contains a hydroxyl group in the 3-position of the A-ring.

    "Sterols are found in all animal and plant tissue and play an important role in hormone chemistry."

  2. 2
    any of a group of natural steroid alcohols derived from plants or animals; they are waxy insoluble substances wordnet

Etymology

From 1913; back-formation from cholesterol.

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