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steam coal

noun
  1. coal with relatively high sulfur content, suited for generating steam but not for coking.
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Origin of steam coal

First recorded in 1840–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for steam coal

steam coal

noun
  1. coal suitable for use in producing steam, as in a steam-boiler
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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