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 Measure and improve my cholesterol, blood sugar and body mass index numbers. Julie Washington, cleveland, "Local celebrities share their healthy 2020 resolutions: Health Matters," 29 Dec. 2019 Compared to a beef patty, the Impossible and Beyond burgers have similar amounts of protein and calories, with less saturated fat and no cholesterol. New York Times, "Fake Meat vs. Real Meat," 3 Dec. 2019 Your doctor can monitor things like your cholesterol and blood sugar levels. Nutrition Diva Monica Reinagel, Scientific American, "Personalized Nutrition: The Latest on DNA-Based Diets," 27 Sep. 2019 Indeed, the more urban the bird, the higher its cholesterol. Liz Langley, National Geographic, "Crows love cheeseburgers. And now they’re getting high cholesterol.," 26 Aug. 2019 One large white potato has nine grams of fiber (with skin), which is important for digestion and helping to lower our cholesterol. Jennifer Rude Klett, Milwaukee Journal Sentinel, "Wisconsin farmers — and diners — dig potatoes of all types and colors," 15 Aug. 2019 Per serving: 254 calories (18% from fat), 5.1 g fat (3.5 g saturated, 0.6 g monounsaturated), no cholesterol, 6.9 g protein, 45.5 g carbohydrates, 4.7 g fiber, 20 mg sodium. Linda Gassenheimer, Twin Cities, "Celebrate fresh mango season with Pork Scaloppini with Rum-Mango Sauce," 22 July 2019 In two separate studies that will presented at the upcoming meeting of the American Heart Association, e-cigarettes use was shown to impact cholesterol, as well as the body's ability to pump blood. NBC News, "E-cigarettes hurt heart health, possibly more than regular cigarettes," 11 Nov. 2019 Scientists have been trying to determine biological age for at least 50 years, using various biomarkers (like cholesterol, blood glucose, skin elasticity, and vascular function, to name a few) and mathematical modeling. Nick Heil, Outside Online, "This Company Will Tell You How Well You're Aging," 11 Nov. 2019

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.

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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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Statistics for cholesterol

Last Updated

12 Jan 2020

Cite this Entry

“Cholesterol.” The Dictionary, Merriam-Webster Inc., Accessed 18 January 2020.

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More Definitions for cholesterol


How to pronounce cholesterol (audio)

English Language Learners Definition of cholesterol

: a substance that is found in the bodies of people and animals


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, 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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