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lipid

[lip-id, lahy-pid] /ˈlɪp ɪd, ˈlaɪ pɪd/
noun, Biochemistry
1.
any of a group of organic compounds that are greasy to the touch, insoluble in water, and soluble in alcohol and ether: lipids comprise the fats and other esters with analogous properties and constitute, with proteins and carbohydrates, the chief structural components of living cells.
Also, lipide
[lip-ahyd, -id, lahy-pahyd, -pid] /ˈlɪp aɪd, -ɪd, ˈlaɪ paɪd, -pɪd/ (Show IPA)
.
Origin
1920-1925
1920-25; lip- + -id3
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for lipid
  • The triglyceride level is usually included in a lipid panel or coronary risk profile.
  • These chemicals are usually low water soluble to non-soluble and lipid soluble chemicals.
  • Regular physical activity can help control blood lipid abnormalities, diabetes and obesity.
  • Individuals from families with a strong history of early heart attacks should have blood tests done to determine lipid levels.
  • Cholesterol forms part of the lipid bilayer membrane that surrounds each cell in the body.
  • Scientists fed the mice a moderate-fat diet and after nine weeks measured lipid molecules in their livers and plasma.
  • Abnormal cholesterol and lipid levels are common in diabetes.
  • Spritz was a renowned expert in lipid metabolism as well as being a great physician.
  • But researchers have developed molecules that mimic a lipid on the bacterial surface.
  • Medicines may be used to treat high blood pressure and lower lipid and cholesterol levels.
British Dictionary definitions for lipid

lipid

/ˈlaɪpɪd; ˈlɪpɪd/
noun
1.
(biochem) any of a large group of organic compounds that are esters of fatty acids (simple lipids, such as fats and waxes) or closely related substances (compound lipids, such as phospholipids): usually insoluble in water but soluble in alcohol and other organic solvents. They are important structural materials in living organisms Former name lipoid
Word Origin
C20: from French lipide, from Greek lipos fat
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
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Word Origin and History for lipid
n.

"organic substance of the fat group," from French lipide, coined 1923 by G. Bertrand from Greek lipos "fat, grease" (see lipo-) + chemical suffix -ide.

Online Etymology Dictionary, © 2010 Douglas Harper
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lipid in Medicine

lipid lip·id (lĭp'ĭd, lī'pĭd) or lip·ide (lĭp'īd', lī'pīd')
n.
Any of a group of organic compounds, including the fats, oils, waxes, sterols, and triglycerides, that are insoluble in water but soluble in common organic solvents, are oily to the touch, and together with carbohydrates and proteins constitute the principal structural material of living cells.


lip·id'ic adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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lipid in Science
lipid
  (lĭp'ĭd)   
Any of a large group of organic compounds that are oily to the touch and insoluble in water. Lipids include fatty acids, oils, waxes, sterols, and triglycerides. They are a source of stored energy and are a component of cell membranes.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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