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bituminous coal

noun

  1. a mineral coal that contains volatile hydrocarbons and tarry matter and burns with a yellow, smoky flame; soft coal.

bituminous coal

noun

  1. a soft black coal, rich in volatile hydrocarbons, that burns with a smoky yellow flame. Fixed carbon content: 46–86 per cent; calorific value: 1.93 × 10 7– 3.63×10 7J/kg Also calledsoft coal
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

bituminous coal

  1. A soft type of coal that burns with a smoky, yellow flame. Bituminous coal is the most abundant form of coal. It has a high sulfur content, and when burned, gives off sulfurous compounds that contribute to air pollution and acid rain.
  2. Compare anthracite
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Word History and Origins

Origin of bituminous coal1

First recorded in 1875–80
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