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protein - Dictionary definition and meaning for protein
PROTEIN
(noun) any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes
"a diet high in protein"
WordNet® 3.0, © 2006 by Princeton University.
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