carbon black

Definitions of carbon black
  1. noun
    a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink
    synonyms: crock, lampblack, smut, soot
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    type of:
    C, atomic number 6, carbon
    an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
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