cholesterol

[ kuh-les-tuh-rohl, -rawl ]

/ kəˈlɛs təˌroʊl, -ˌrɔl /

noun Biochemistry.

a sterol, C27H46O, that occurs in all animal tissues, especially in the brain, spinal cord, and adipose tissue, functioning chiefly as a protective agent in the skin and myelin sheaths of nerve cells, a detoxifier in the bloodstream, and as a precursor of many steroids: deposits of cholesterol form in certain pathological conditions, as gallstones and atherosclerotic plaques.

the commercial form of this compound, obtained from the spinal cord of cattle, used chiefly as an emulsifying agent in cosmetics and pharmaceuticals, and in the synthesis of vitamin D.

Also cho·les·ter·in

[kuh-les-ter-in]. /kəˈlɛs tər ɪn/.

Origin of cholesterol

1890–95; chole- + Greek ster(eós) solid + -ol¹

Words nearby cholesterol

cholestatic jaundice, cholesteatoma, cholesteremia, cholesteric, cholesterin, cholesterol, cholesterolaemia, cholesterol embolism, cholesterolemia, cholesterolosis, cholesteroluria

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for cholesterol

At 96 percent water, cukes have no saturated fat or cholesterol, and are very high in vitamin K, vitamin B6 and iron.
10 Ways to Stay Hydrated (That Aren’t Water)|DailyBurn|July 25, 2014|DAILY BEAST
In addition, low fat/high carb diets lower protective “good” cholesterol and raise insulin.
The Heart Association’s Junk Science Diet|Dr. Barbara H. Roberts|May 22, 2014|DAILY BEAST
Even the doctors on the 2013 cholesterol guideline committee hired other people to read the literature for them.
Everything You Know About Fat Is Wrong|Daniela Drake|May 7, 2014|DAILY BEAST
Chatterjee and his team found that D-PDMP almost totally eliminated the buildup of cholesterol in vital regions of the body.
Scientists at Johns Hopkins Come Closer to Eliminating Heart Disease|Dale Eisinger|April 25, 2014|DAILY BEAST

One small German study found an eight percent decrease in cholesterol among five men after an eight-day juice fast.
Is Your Juice Cleanse Doing More Harm Than Good?|DailyBurn|February 11, 2014|DAILY BEAST
Cholesterol was a little below normal in the four cases examined.
Scurvy Past and Present|Alfred Fabian Hess
The cholesterol in linseed or fish oil, which of course may be present in the soap, also give this reaction.
Soap-Making Manual|E. G. Thomssen
Cholesterol is frequently found in animal fats, and phytosterol is a very similar substance present in vegetable fats.
The Handbook of Soap Manufacture|W. H. Simmons

British Dictionary definitions for cholesterol

cholesterol

/ (kəˈlɛstəˌrɒl) /

noun

a sterol found in all animal tissues, blood, bile, and animal fats: a precursor of other body steroids. A high level of cholesterol in the blood is implicated in some cases of atherosclerosis, leading to heart disease. Formula: C 27 H 45 OHFormer name: cholesterin (kəˈlɛstərɪn)

Word Origin for cholesterol

C19: from chole- + Greek stereos hard, solid, so called because first observed in gallstones

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for cholesterol

cholesterol

[ (kuh-les-tuh-rawl, kuh-les-tuh-rohl) ]

A white soapy substance found in the tissues of the body and in certain foods, such as animal fats, oils, and egg yolks. Cholesterol has been linked to heart disease and atherosclerosis. (It collects on the walls of arteries and interferes with the flow of blood.) High levels of cholesterol in the blood are considered to be unhealthy. (See saturated fats, HDL, and LDL.)

Medical definitions for cholesterol

cholesterol

[ kə-lĕs′tə-rôl′, -rōl′ ]

n.

A white crystalline substance found in animal tissues and various foods, normally synthesized by the liver and important as a constituent of cell membranes and a precursor to steroid hormones. Its level in the bloodstream can influence the pathogenesis of certain conditions, such as the development of atherosclerotic plaque and coronary artery disease.

Scientific definitions for cholesterol

cholesterol

[ kə-lĕs′tə-rôl′ ]

A sterol found widely in animal and plant tissues. It is a main component of blood plasma and cell membranes, and it is an important precursor of many steroid hormones (such as the estrogens, testosterone, and cortisol), vitamin D2, and bile acids. In vertebrates, cholesterol is manufactured by the liver or absorbed from food in the intestine. Higher than normal amounts of cholesterol in the blood are associated with higher risk for developing coronary artery disease and atherosclerosis. Chemical formula: C27H46O. See also high-density lipoprotein low-density lipoprotein.

单词	cholesterol
释义	cholesterol [ kuh-les-tuh-rohl, -rawl ] / kəˈlɛs təˌroʊl, -ˌrɔl / noun Biochemistry. a sterol, C27H46O, that occurs in all animal tissues, especially in the brain, spinal cord, and adipose tissue, functioning chiefly as a protective agent in the skin and myelin sheaths of nerve cells, a detoxifier in the bloodstream, and as a precursor of many steroids: deposits of cholesterol form in certain pathological conditions, as gallstones and atherosclerotic plaques. the commercial form of this compound, obtained from the spinal cord of cattle, used chiefly as an emulsifying agent in cosmetics and pharmaceuticals, and in the synthesis of vitamin D. Also cho·les·ter·in [kuh-les-ter-in]. /kəˈlɛs tər ɪn/. Origin of cholesterol 1890–95; chole- + Greek ster(eós) solid + -ol¹ Words nearby cholesterol cholestatic jaundice, cholesteatoma, cholesteremia, cholesteric, cholesterin, cholesterol, cholesterolaemia, cholesterol embolism, cholesterolemia, cholesterolosis, cholesteroluria Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for cholesterol At 96 percent water, cukes have no saturated fat or cholesterol, and are very high in vitamin K, vitamin B6 and iron. 10 Ways to Stay Hydrated (That Aren’t Water)\|DailyBurn\|July 25, 2014\|DAILY BEAST In addition, low fat/high carb diets lower protective “good” cholesterol and raise insulin. The Heart Association’s Junk Science Diet\|Dr. Barbara H. Roberts\|May 22, 2014\|DAILY BEAST Even the doctors on the 2013 cholesterol guideline committee hired other people to read the literature for them. Everything You Know About Fat Is Wrong\|Daniela Drake\|May 7, 2014\|DAILY BEAST Chatterjee and his team found that D-PDMP almost totally eliminated the buildup of cholesterol in vital regions of the body. Scientists at Johns Hopkins Come Closer to Eliminating Heart Disease\|Dale Eisinger\|April 25, 2014\|DAILY BEAST One small German study found an eight percent decrease in cholesterol among five men after an eight-day juice fast. Is Your Juice Cleanse Doing More Harm Than Good?\|DailyBurn\|February 11, 2014\|DAILY BEAST Cholesterol was a little below normal in the four cases examined. Scurvy Past and Present\|Alfred Fabian Hess The cholesterol in linseed or fish oil, which of course may be present in the soap, also give this reaction. Soap-Making Manual\|E. G. Thomssen Cholesterol is frequently found in animal fats, and phytosterol is a very similar substance present in vegetable fats. The Handbook of Soap Manufacture\|W. H. Simmons British Dictionary definitions for cholesterol cholesterol / (kəˈlɛstəˌrɒl) / noun a sterol found in all animal tissues, blood, bile, and animal fats: a precursor of other body steroids. A high level of cholesterol in the blood is implicated in some cases of atherosclerosis, leading to heart disease. Formula: C 27 H 45 OHFormer name: cholesterin (kəˈlɛstərɪn) Word Origin for cholesterol C19: from chole- + Greek stereos hard, solid, so called because first observed in gallstones Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cultural definitions for cholesterol cholesterol [ (kuh-les-tuh-rawl, kuh-les-tuh-rohl) ] A white soapy substance found in the tissues of the body and in certain foods, such as animal fats, oils, and egg yolks. Cholesterol has been linked to heart disease and atherosclerosis. (It collects on the walls of arteries and interferes with the flow of blood.) High levels of cholesterol in the blood are considered to be unhealthy. (See saturated fats, HDL, and LDL.) The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for cholesterol cholesterol [ kə-lĕs′tə-rôl′, -rōl′ ] n. A white crystalline substance found in animal tissues and various foods, normally synthesized by the liver and important as a constituent of cell membranes and a precursor to steroid hormones. Its level in the bloodstream can influence the pathogenesis of certain conditions, such as the development of atherosclerotic plaque and coronary artery disease. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for cholesterol cholesterol [ kə-lĕs′tə-rôl′ ] A sterol found widely in animal and plant tissues. It is a main component of blood plasma and cell membranes, and it is an important precursor of many steroid hormones (such as the estrogens, testosterone, and cortisol), vitamin D2, and bile acids. In vertebrates, cholesterol is manufactured by the liver or absorbed from food in the intestine. Higher than normal amounts of cholesterol in the blood are associated with higher risk for developing coronary artery disease and atherosclerosis. Chemical formula: C27H46O. See also high-density lipoprotein low-density lipoprotein. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
随便看	space opera space out space platform spaceport space probe spacer space rate space-saving space science spaceship spaceshot space shuttle space sickness space stage space station spacesuit space telescope space-time space tourism space travel spacewalk spacewoman space writer spacey spacial