cholest.

Noun

cholesterol (countable and uncountable, plural cholesterols)

1. A sterol lipid synthesized by the liver and transported in the bloodstream to the membranes of all animal cells; it plays a central role in many biochemical processes and, as a lipoprotein that coats the walls of blood vessels, is associated with cardiovascular disease.
2. The level of cholesterol in the body.
   • improve your cholesterol; lower your cholesterol