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English definition of “cholesterol”

cholesterol

noun [U]     /kəˈles.tər.ɒl/ US  /-tə.rɑːl/
C1 a substance containing a lot of fat that is found in the body tissue and blood of all animals, thought to be part of the cause of heart disease if there is too much of it: an oil which is high in polyunsaturates and low in cholesterolSubstances and structures in the body
(Definition of cholesterol noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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