protein

//ˈproʊtiːn//
B2Frequency Level 7Technical
Visual representation of protein

Noun

proteinSingular
proteinsPlural
1

A large molecule composed of amino acids that is essential for the structure, function, and regulation of the body's tissues and organs

Protein is essential for building and repairing muscles.

2

A nutrient found in food that is necessary for growth, repair, and maintenance of body tissues

Fish and eggs are excellent sources of protein.