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Definition of 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. "A diet high in protein"
Substance meronyms: Meat, Legume, Egg, Eggs, Milk
Terms within: Amino Acid, Aminoalkanoic Acid, Polypeptide
Generic synonyms: Macromolecule, Supermolecule
Derivative terms: Proteinaceous
Definition of Protein
1. n. A body now known as alkali albumin, but originally considered to be the basis of all albuminous substances, whence its name.
2. n. In chemical analysis, the total nitrogenous material in vegetable or animal substances, obtained by multiplying the total nitrogen found by a factor, usually 6.25, assuming most proteids to contain approximately 16 per cent of nitrogen.
Definition of Protein
1. Noun. (biochemistry) Any of numerous large, complex naturally-produced molecules composed of one or more long chains of amino acids, in which the amino acid groups are held together by peptide bonds. ¹
2. Noun. (context: nutrition) One of three major classes of food or source of food energy (4 kcal/gram) abundant in animal-derived foods (qualifier ie: meat) and some vegetables, such as legumes. ''see carbohydrate and fat for the other two major classes'' ¹
¹ Source: wiktionary.com
Definition of Protein
1. a nitrogenous organic compound [n -S]
Lexicographical Neighbors of Protein
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