1. an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds

Definition categories: substance, element

2. a thin paper coated on one side with a dark waxy substance (often containing carbon); used to transfer characters from the original to an under sheet of paper

Definition categories: substance, paper

3. a copy made with carbon paper

Definition categories: man–made, copy

Sentences with carbon as a noun:

- A methane molecule is made up of a single carbon with four hydrogens.