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English definition of “lipid”

lipid

noun [C] uk   /ˈlɪp.ɪd/ specialized us  
a substance such as a fat, oil, or wax that dissolves in alcohol but not in water and is an important part of living cellsSubstances and structures in the body
(Definition of lipid from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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