Simple Definition of cholesterol
: a substance that is found in the bodies of people and animals
Full Definition of cholesterol
Examples of cholesterol in a sentence
Did your doctor check your cholesterol?
Origin of cholesterol
International Scientific Vocabulary, from chol- + Greek stereos solid
First Known Use: 1894
Medical Definition of cholesterol
: a steroid alcohol C27H45OH that is present in animal cells and body fluids, regulates membrane fluidity, functions as a precursor molecule in various metabolic pathways, and as a constituent of LDL may cause atherosclerosis <Cholesterol is a lipid present in the cell membrane and subcellular organelles of tissues throughout the body. … In addition, cholesterol serves as the building block for all steroid hormones including cortisol, aldosterone, estrogen, and testosterone.—Sarah de Ferranti and David S. Ludwig, The New England Journal of Medicine, 25 Sept. 2008> <… the drug reduces the production of cholesterol in the liver, decreasing the amount of artery-clogging cholesterol circulating in the bloodstream.—Newsweek, 8 Dec. 1986>
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