| carbon | |
| 1. n. The chemical element (symbol C) with an atomic number of 6. | |
| 2. n. An atom of this element, in reference to a molecule containing it. | |
| A methane molecule is made up of a single carbon with four hydrogens. | |
| 3. n. (informal) A sheet of carbon paper. | |
| 4. n. (informal) A carbon copy. | |
| 5. n. A fossil fuel that is made of impure carbon such as coal or charcoal. | |
| 6. n. (ecology) Carbon dioxide, in the context of global warming and climate change. | |
| 7. n. A carbon rod or pencil used in an arc lamp. | |
| 8. n. A plate or piece of carbon used as one of the elements of a voltaic battery. | |
| 9. v. (Internet, intransitive) To cause (someone) to receive a carbon copy of an email message. | |
| When I send it, I'll carbon Julia so she's aware. | |
