noun The chemical element (symbol C) with an atomic number of 6. It can be found in pure form for example as graphite, a black, shiny and very soft material, or diamond, a colourless, transparent, crystalline solid and the hardest known material.
All life as we know it has carbon as the backbone of many of its molecules; carbon’s tetravalence gives it special importance in biochemical molecular bonds.
noun 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.
noun A sheet of carbon paper.
noun A carbon copy.
Please provide me with a carbon of your form.
noun A fossil fuel that is made of impure carbon such as coal or charcoal.
noun Soot.
Every morning she cleaned the carbon from the lamp chimneys.
noun Especially, hardened soot as a caked-on deposit.
When you overhaul an engine, you need to remove the carbon from around the valve seats. The carbon buildup can be extensive.