carbon

Noun
  1. An abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond;
    Occurs in all organic compounds (synset 114657384)
    is a type of: chemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
    subtypes:
    • fullerene - a form of carbon having a large molecule consisting of an empty cage of sixty or more carbon atoms
    • carbon 14, radiocarbon - a radioactive isotope of carbon
    • char - a charred substance
    • charcoal, wood coal - a carbonaceous material obtained by heating wood or other organic matter in the absence of air
    • carbon black, crock, lampblack, smut, soot - a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink
    • activated carbon, activated charcoal - powdered or granular carbon used for purifying by adsorption; given orally (as a slurry) it is an antidote for some kinds of poisons
    • black lead, graphite, plumbago - used as a lubricant and as a moderator in nuclear reactors
    • adamant, diamond - very hard native crystalline carbon valued as a gem
    substance meronym:
    • coal - fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period
    • limestone - a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals
    • crude, crude oil, fossil oil, oil, petroleum, rock oil - a dark oil consisting mainly of hydrocarbons
    same as: atomic number 6, c
  2. 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 (synset 114821983)
    is a type of: paper - a material made of cellulose pulp derived mainly from wood or rags or certain grasses
    same as: carbon paper
  3. A copy made with carbon paper (synset 102965287)
    is a type of: copy - a thing made to be similar or identical to another thing
    same as: carbon copy

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