cho·​les·​ter·​ol | \ kə-ˈle-stə-ˌrōl How to pronounce cholesterol (audio) , -ˌrȯl \

Definition of cholesterol

: a steroid alcohol C27H45OH that is present in animal cells and body fluids, regulates membrane fluidity, and functions as a precursor molecule in various metabolic pathways and as a constituent of LDL may cause atherosclerosis — compare bad cholesterol, good cholesterol

Examples of cholesterol in a Sentence

Did your doctor check your cholesterol?
Recent Examples on the Web Children who had a vegetarian diet had similar body mass index (BMI), height, iron, vitamin D, and cholesterol levels compared to those who ate meat, researchers found. Julie Washington, cleveland, 10 May 2022 These findings support a recent Project MinE study that showed a causal link between high cholesterol levels and ALS. Jan Veldink, The Conversation, 13 Apr. 2022 Metabolic syndrome refers to several conditions, including high blood pressure, excess body fat around your stomach, elevated blood sugar, high triglycerides (a fat found in the blood), and low HDL cholesterol levels. Ashley Abramson, SELF, 13 Apr. 2022 Now, when Iyer travels, the BlueStar application on his mobile phone automatically pulls up a list of nearby restaurants that won’t send his blood glucose and cholesterol levels skyrocketing. Mary Carole Mccauley, Baltimore Sun, 5 Apr. 2022 Worst of all, they're connected to very serious health concerns, from cancer to cholesterol levels. Marta L. Tellado, CNN, 1 Apr. 2022 Unlike, say, your cholesterol levels, there is no objective measure of pain. John Bockmann, National Review, 25 Mar. 2022 The causes of this stroke include smoking, high blood pressure, obesity, high cholesterol levels, diabetes and excessive alcohol intake. Alyssa Hui,, 15 Mar. 2022 But even moderate exercise was found to keep cholesterol levels from rising, WebMD reported. Kiersten Willis, ajc, 21 Dec. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cholesterol.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of cholesterol

1894, in the meaning defined above

History and Etymology for cholesterol

International Scientific Vocabulary, from chol- + Greek stereos solid

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Time Traveler for cholesterol

Time Traveler

The first known use of cholesterol was in 1894

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Dictionary Entries Near cholesterol



cholesterol level

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Statistics for cholesterol

Last Updated

18 May 2022

Cite this Entry

“Cholesterol.” Dictionary, Merriam-Webster, Accessed 26 May. 2022.

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More Definitions for cholesterol


cho·​les·​ter·​ol | \ kə-ˈles-tə-ˌrōl, -ˌrȯl How to pronounce cholesterol (audio) \

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 … the drug reduces the production of cholesterol in the liver, decreasing the amount of artery-clogging cholesterol circulating in the bloodstream.Newsweek

More from Merriam-Webster on cholesterol

Nglish: Translation of cholesterol for Spanish Speakers

Britannica English: Translation of cholesterol for Arabic Speakers Encyclopedia article about cholesterol


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