steam coal

noun

coal with relatively high sulfur content, suited for generating steam but not for coking.

Origin of steam coal

First recorded in 1840–50

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for steam coal

steam coal

noun

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

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