1. (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

• actomyosin
• aleurone
• amyloid
• antibody
• apoenzyme
• capsid
• compound protein
• conjugated protein
• cytokine
• enzyme
• ferritin
• fibrin
• filaggrin
• gluten
• growth factor
• haptoglobin
• iodinated protein
• iodoprotein
• nucleoprotein
• opsin
• phosphoprotein
• plasma protein
• prostate specific antigen
• psa
• proteome
• recombinant protein
• simple protein

1. (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

• macromolecule
• supermolecule

1. (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

• proteinaceous