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cholesterol

Pronunciation: /kəˈlɛstərɒl/

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Definition of cholesterol

noun

[mass noun]

a compound of the sterol type found in most body tissues. Cholesterol and its derivatives are important constituents of cell membranes and precursors of other steroid compounds, but high concentrations in the blood are thought to promote atherosclerosis.
- Chemical formula: C₂₇H₄₅OH