Definition of protein

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  • protein is a valid Scrabble US word with a point value of 9
  • protein is a valid Scrabble UK word with a point value of 9
  • protein is a valid Words with friends word with a point value of 11

Definition of protein

  • 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 (noun)

    Examples

    1. a diet high in protein

See definition of protein in Merriam Webster