Noun carbon has 3 senses
  1. carbon, C, atomic number 6 - an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
    --1 is a kind of chemical element, element
    --1 is a substance of
     coal; petroleum, crude oil, crude, rock oil, fossil oil; limestone
    --1 has particulars:
     fullerene; radiocarbon, carbon 14; char; charcoal, wood coal; carbon black, lampblack, soot, smut; activated carbon, activated charcoal; graphite, black lead, plumbago; diamond, adamant
    Derived forms: verb carbonate2, verb carburize1, verb carburise1, verb carbonize1, verb carbonize2, verb carbonise1, verb carbonise2
  2. carbon paper, carbon - a thin paper coated on one side with a dark waxy substance (often containing carbon); used to transfer characters from the original to an under sheet of paper
    --2 is a kind of paper
  3. carbon, carbon copy - a copy made with carbon paper
    --3 is a kind of copy