charcoal

Charcoal is the black substance left over when wood is heated in the absence of oxygen. You can cook with charcoal by burning it in your backyard grill.

Charcoal is used in many ways, but its most important use has probably been by blacksmiths and other metal workers, who historically used extremely hot charcoal fires to heat metal. Charcoal is also used to make explosive blasting powders and common water filters. One theory of the word's origin combines the obsolete verb charren, "to turn," and cole, "coal" — in other words, "to turn to coal."

Definitions of charcoal
  1. noun
    a carbonaceous material obtained by heating wood or other organic matter in the absence of air
    synonyms: wood coal
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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
    fuel
    a substance that can be consumed to produce energy
  2. noun
    a stick of black carbon material used for drawing
    synonyms: fusain
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    type of:
    writing implement
    an implement that is used to write
  3. noun
    a drawing made with a stick of black carbon material
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    type of:
    drawing
    a representation of forms or objects on a surface by means of lines
  4. verb
    draw, trace, or represent with charcoal
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    type of:
    draw
    represent by making a drawing of, as with a pencil, chalk, etc. on a surface
  5. noun
    a very dark grey color
    synonyms: charcoal gray, charcoal grey, oxford gray, oxford grey
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    type of:
    gray, grayness, grey, greyness
    a neutral achromatic color midway between white and black
  6. adjective
    of a very dark grey
    synonyms: charcoal-gray, charcoal-grey
    achromatic, neutral
    having no hue
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