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.
An atom of this element, in reference to a molecule containing it.
A sheet of carbon paper.
A carbon copy.
A fossil fuel that is made of impure carbon such as coal or charcoal.
Carbon dioxide, in the context of global warming and climate change.
A carbon rod or pencil used in an arc lamp.
A plate or piece of carbon used as one of the elements of a voltaic battery.
To cause (someone) to receive a carbon copy of an email message.