Part of speech: noun

Material, as wood or coal, used to feed a fire.

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Usage examples "fuel":

  1. Thus you see the difference between carbon and lead or iron: if we choose iron, which gives so wonderful a result in our application of this fuel, either as light or heat. - "The Chemical History Of A Candle", Michael Faraday.
  2. The fire in such eyes is always cold, for hunger is poor fuel to the native flame of life. - "The Judgment House", Gilbert Parker.
  3. Fun is the fuel For driving off cold. - "Cole's Funny Picture Book No. 1", Edward William Cole.