protein
/ˈproʊtiːn/
noun
- A nutrient found in food (such as meat, eggs, beans, and nuts) that is essential for growth and repair of the body.
- Athletes often eat extra protein to build muscle.
- You need protein in your diet to stay healthy.
- Eggs are a great source of protein for breakfast.
- Any of a large group of complex molecules that are essential for the structure and function of all living cells.
- The human body contains thousands of different proteins.
- Enzymes are a type of protein that speed up chemical reactions in the body.
- Proteins are made up of chains of amino acids.
Synonyms