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 Many Meticore ingredients possess natural properties that may strengthen the body’s natural defenses, protect it from different infectious agents, control cholesterol and glucose levels, manage blood pressure, and so much more. Daily Health Reports, Chron, "Meticore Reviews (2021 Updated) Diet Pills Supplement with Real Ingredients or Side Effects?," 4 Feb. 2021 Incorporating oats into your diet can help to reduce the risk of coronary heart disease and battle high cholesterol. David Syrek,, "If you fantasize about becoming a morning person, here are 5 great ways to wake up your routine.," 22 Jan. 2021 Such high accolades are not surprising, as numerous studies have found the Mediterranean diet can reduce the risk for diabetes, high cholesterol, dementia, memory loss, depression and breast cancer. Sandee Lamotte, CNN, "Mediterranean diet named best diet for 2021," 5 Jan. 2021 Broccoli, for example, has been shown to help reduce cholesterol and blood sugar. Liz Hardaway,, "Vegetables grown fresh in the middle of San Antonio’s East Side will help ease hunger," 19 Dec. 2020 States around the country started regulating these long-lasting chemicals, which have been tied to maladies ranging from cholesterol to cancer. Sarah Bowman, The Indianapolis Star, "More than 75 bills are related to the environment this session. Here are ones we’re following.," 2 Feb. 2021 Elderberry may also lower cholesterol, Alschuler adds. Erica Sweeney, Good Housekeeping, "5 Ways Elderberry Syrup Benefits Your Health, According to Experts," 27 Jan. 2021 The program is split into two studies, one relying on blood from the hundreds of thousands of people who donate blood every month, and the other on people who have had blood drawn as part of their medical care, such as for a cholesterol test. Nathaniel Scharping, Smithsonian Magazine, "What Scientists Are Learning About Covid-19 Using the Nation’s Blood Supply," 21 Jan. 2021 That resistance can happen if your arteries start to narrow due to plaque that forms in response to too much cholesterol buildup. Melissa Matthews, SELF, "Grocery Diaries: A Novice Home Chef Who Makes Meals With High Blood Pressure in Mind," 5 Jan. 2021

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

23 Feb 2021

Cite this Entry

“Cholesterol.” Dictionary, Merriam-Webster, Accessed 5 Mar. 2021.

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More Definitions for cholesterol



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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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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