/ ˈkɑːbən; NAmE ˈkɑːrb-/ noun
1.
[ U ] ( symb C ) a chemical element. Carbon is found in all living things, existing in a pure state as diamond, graphite and buckminsterfullerene :
carbon fibre
2.
[ C ] = carbon copy
3.
[ C ] a piece of carbon paper
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WORD ORIGIN
late 18th cent.: from French carbone , from Latin carbo , carbon- coal, charcoal.