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lipoprotein lip·o·pro·tein (lĭp'ō-prō'tēn', -tē-ĭn, lī'pō-)
Any of a group of conjugated proteins having at least one lipid components, they are the principal means by which lipids are transported in the blood.
Any of a group of conjugated proteins in which at least one of the components is a lipid. Lipoproteins, classified according to their densities and chemical qualities, are the principal means by which lipids are transported in the blood. See also high-density lipoprotein, low-density lipoprotein.