Protein — definition

1. protein (Noun)

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. ex. "a diet high in protein"

macromolecule supermolecule PSA actomyosin aleurone amyloid antibody apoenzyme capsid compound protein conjugated protein cytokine enzyme ferritin fibrin filaggrin gluten growth factor haptoglobin iodinated protein iodoprotein nucleoprotein • • • amino acid aminoalkanoic acid polypeptide egg eggs legume meat milk