Definitions from Wiktionary (carbon)

▸ noun:  (uncountable) 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.
▸ noun:  (countable) An atom of this element, in reference to a molecule containing it.
▸ noun:  (countable, informal) A sheet of carbon paper.
▸ noun:  (countable, informal) A carbon copy.
▸ noun:  A fossil fuel that is made of impure carbon such as coal or charcoal.
▸ noun:  (ecology, uncountable) carbon dioxide, in the context of climate change.
▸ noun:  A carbon rod or pencil used in an arc lamp.
▸ noun:  A plate or piece of carbon used as one of the elements of a voltaic battery.
▸ verb:  (Internet, transitive, uncommon) To cause (someone) to receive a carbon copy of an email message.
▸ noun:  A surname.
▸ noun:  A place name:
▸ noun:  A village in Kneehill County, Alberta, Canada.
▸ noun:  A number of places in the United States:
▸ noun:  A town in Van Buren Township, Clay County, Indiana.
▸ noun:  A minor city and coal town in Douglas Township, Adams County, Iowa.
▸ noun:  An unincorporated community and coal town in Westmoreland County, Pennsylvania.
▸ noun:  A town in Eastland County, Texas.
▸ noun:  (informal) Ellipsis of carbon fiber (reinforced polymer). [A very strong filament made by the pyrolysis of a synthetic fiber such as rayon.]

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