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Definition protein

Etymology

Suggested by Berzelius in a letter to Mulder, from French protéine and German Protein, both coined based on Ancient Greek ???????? (pr?teîos, “primary”), from ?????? (prôtos, “first”).

Noun

protein (countable and uncountable, plural proteins)

1. (biochemistry, countable) 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.
2. (nutrition, uncountable) One of three major classes of food or source of food energy (4 kcal/gram) abundant in animal-derived foods (i.e. meat) and some vegetables, such as legumes.
3. (nutrition, countable) A food rich in protein, often a meat or meat substitute.

Results 312 Words with the letters PROTEIN

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