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cho·les·ter·ol

cholesterol

 
pronunciation:
k le st rawl [or] k le st ral
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part of speech: noun
definition: a white substance, found in the tissues of humans and animals, which acts to clean the bloodstream and surrounds certain nerves. Cholesterol is made in the body but can also be obtained from animal foods such as meat and cheese.
It is believed that too much cholesterol in the blood can be harmful to one's health.
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  exercise, milk