Lipid definition

lĭpīd, līpīd
Any of a group of organic compounds, including the fats, oils, waxes, sterols, and triglycerides, that are insoluble in water but soluble in nonpolar 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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Any of a group of organic compounds consisting of the fats and of other substances of similar properties: they are insoluble in water, soluble in fat solvents and alcohol, and greasy to the touch, and are important constituents of living cells.
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Any of a group of organic compounds, including the fats, oils, waxes, sterols, and triglycerides, that are insoluble in water but soluble in nonpolar organic solvents, are oily to the touch, and together with carbohydrates and proteins constitute the principal structural material of living cells.
noun
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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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(organic chemistry) Any of a group of organic compounds including the fats, oils, waxes, sterols, and triglycerides. Lipids are characterized by being insoluble in water, and account for most of the fat present in the human body. They are, however, soluble in nonpolar organic solvents.
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Other Word Forms

Noun

Singular:
lipid
Plural:
lipids

Origin of lipid

  • French lipide Greek lipos fat lipo– French -ide -ide

    From American Heritage Dictionary of the English Language, 5th Edition