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Remember that protein is spelled with the e before the i: it does not follow the rule of i before e except after c.it is essential to include protein in your diet.
- any of a class of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms, especially as structural components of body tissues such as muscle, hair, collagen, etc., and as enzymes and antibodies.
Pronunciation: /ˌprōˌtē(ə)ˈnāSHəs, ˌprōtnˈā-/adjective
mid 19th century: from French protéine, German Protein, from Greek prōteios 'primary', from prōtos 'first'