1. an essential structural component of living cells and source of energy for animals; includes simple sugars with small molecules as well as macromolecular substances; are classified according to the number of monosaccharide groups they contain

Similar word(s): saccharide, sugar

Definition categories: substance, macromolecule, supermolecule

Sentences with carbohydrate as a noun:

- These microbes are primarily responsible for breaking down cellulose and other carbohydrates into volatile fatty acids (VFAs).