DictionaryAI

coal

SayKOHL/koʊl/UK/kəʊl/

Pluralcoals (some meanings)

11 meanings of coal

Practice

  1. 1
    noununcountable
    A hard black or dark brown rock made mostly of carbon from ancient plants, dug from the ground and burned as fuel; also a particular type of it, such as anthracite.

    Miners worked deep underground to bring up coal for the city's furnaces.

    The region's economy depended for decades on coal pulled from local seams.

    UsageFor the fuel in general, no a: burn coal, mine coal. One piece is a lump of coal.

    Note

    The dominant modern sense, which grew out of older meanings of ember and charred wood. It compounds freely, too: O. S. Nock, writing in Railway Magazine in 1947, called hungry locomotives coal-eaters.

  2. 2
    glowing piecenouncountable
    An ember or cinder: a piece of coal, wood, or other solid fuel that is glowing or blackened by fire.

    He nudged a stray coal back onto the grate with the poker.

    Only a few coals were still glowing when she woke at dawn.

    UsageOften plural with heat words: hot coals, glowing coals, the dying coals.

    Similarember, cinder

    Note

    Here coal names glowing or charred fuel, often what remains after the flames have gone: the bed of embers a campfire leaves, hot enough to toast marshmallows without burning them.

    Checked 2 Nov 2026 · 1 fact

    • A campfire's embers can toast marshmallows without burning them. mdc.mo.gov
  3. 3
    lumpnouncountable
    A single piece of the fuel rock, intended for burning.

    The miner held up a shiny black coal from the cart to show the children.

    She took two coals from the bucket and set them on the cold grate.

    UsageSome coals treats the fuel as separate pieces; some coal treats it as a mass. Both are correct.

Practice

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Origin

From Middle English cole, from Old English col, tracing back through Proto-Germanic *kulą to the Proto-Indo-European root *ǵwelH- ("to burn, shine"). It is related to Dutch kool, German Kohle, and Swedish kol.

Checked 31 Oct 2026 · 4 facts

  • Coal descends from Middle English cole, from Old English col. en.wiktionary.org
  • The ancestry includes Proto-Germanic *kulą. en.wiktionary.org
  • Proto-Germanic *kulą derives ultimately from Proto-Indo-European *ǵwelH-, meaning “to burn, shine”. en.wiktionary.org
  • Coal is related to Dutch kool, German Kohle, and Swedish kol. en.wiktionary.org