lipid

[lip-id, lahy-pid] /ˈlɪp ɪd, ˈlaɪ pɪd/

noun, Biochemistry

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

1920-25; lip- + -id³

Examples from the web for lipids

Xanthomas are common, particularly among older adults and people with high blood lipids.
The animals were first given an unbalanced diet, skewed in favor of either lipids or protein.
When the ultrasound is removed, the lipids quickly reorder themselves and restore the skin's impermeability, he said.
lipids are a broad group of molecules such as fats and waxes that don't dissolve in water.
lipids are the building blocks of the fats and fatty substances found in animals and plants.
lipids naturally form spheres and also they, kind of, naturally come together.
Some fiber, especially soluble fiber, binds to lipids such as cholesterol.
These companion materials are fatty compounds known as lipids.
Weight gain and elevated lipids are risk factors for diabetes.
Fatty casts are seen in people who have lipids in urine, usually as a complication of nephrotic syndrome.

British Dictionary definitions for lipids

lipid

/ˈlaɪpɪd; ˈlɪpɪd/

noun

(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

Word Origin and History for lipids

lipid

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

lipids 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.

lipids 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.

lipids in Culture

lipids [(lip-idz, leye-pidz)]

A group of organic molecules 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.