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Nonpolar Lipid

Nonpolar Lipid. A triglyceride (q.v.) that lacks a hydrophilic (q.v.) polar molecular component and is therefore totally insoluble in water. This contrasts with polar lipids (q.v.) and mono- and diglycerides (q.v.) which do possess polar, or water-soluble, groups and can thus react with water and other substances with polar groups.