cholesterol
//kəˈlɛstərɒl//
Noun
1
A waxy, fat-like substance found in all cells of the body and in the blood, essential for building cell membranes and producing certain hormones, but potentially harmful in excessive amounts.
High cholesterol levels can increase the risk of heart disease.
2
The level or concentration of this substance in the blood, often measured to assess cardiovascular health risk.
My doctor said my cholesterol is too high and I need to change my diet.