- The definition of a protein is a substance that has amino acids, compounds and carbon, hydrogen, oxygen, nitrogen and sometimes sulfur and is found in many foods.
An example of a protein is the type of nutrient found in meats.
These are all good sources of protein.
Origin of proteinGerman ; from French protéine ; from Classical Greek prōteios, prime, chief ; from prōtos, first (see proto-): from being a chief constituent of plant and animal bodies
Origin of proteinFrench protéine, from Late Greek prōteios, of the first quality, from Greek prōtos, first; see per1 in Indo-European roots.
- pro′tein·a′ceous , pro·tein′ic , pro·tein′ous
(countable and uncountable, plural proteins)
- (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.
- (nutrition) One of three major classes of food or source of food energy (4 kcal/gram) abundant in animal-derived foods (ie: meat) and some vegetables, such as legumes. see carbohydrate and fat for the other two major classes
- For each dish, select a curry, protein, and spiciness.