Noun
- 1. protein, macromolecule, supermolecule
- usage: any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes; "a diet high in protein"
WordNet 3.0 Copyright © 2006 by Princeton University.
All rights reserved.Definition and meaning of protein (Dictionary)