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lipid

[lip-id, lahy-pid]
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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.
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Also lip·ide [lip-ahyd, -id, lahy-pahyd, -pid] /ˈlɪp aɪd, -ɪd, ˈlaɪ paɪd, -pɪd/.

Origin of lipid

First recorded in 1920–25; lip- + -id3
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for lipids

lipid

lipide

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 organismsFormer name: lipoid
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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

Word Origin and History for lipids

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.

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Online Etymology Dictionary, © 2010 Douglas Harper

lipids in Medicine

lipid

(lĭpĭd, līpĭd)
n.
  1. 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.
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Related formslip•idic adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

lipids in Science

lipid

[lĭpĭd]
  1. 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.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

lipids in Culture

lipids

[(lip-idz, leye-pidz)]

A group of organic molecules (see also organic molecule) that includes fats, oils, and waxes. Lipids do not dissolve in water. In animals, including humans, lipids store energy and form parts of cell structures, such as cell membranes.

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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.