coal suitable for use in producing steam, as in a steam-boiler
steam coal in American English
noun
coal with relatively high sulfur content, suited for generating steam but not for coking
Word origin
[1840–50]This word is first recorded in the period 1840–50. Other words that entered Englishat around the same time include: bypass, creationism, plaque, striation, warmup
Examples of 'steam coal' in a sentence
steam coal
All hard steam coal sizes (coal classes) were under consideration.
Pyka Ireneusz, Wierzchowski Krzysztof 2016, 'The contributions of combustion of different hard steam coal size grades to overallpotential mercury emission in Poland', E3S Web of Conferenceshttp://dx.doi.org/10.1051/e3sconf/20160801008. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Carbon conversion increased with increasing oxygen-coal ratio and decreased with increasing steam-coal ratio.
Mandar Kulkarni, Rajive Ganguli 2012, 'Moving Bed Gasification of Low Rank Alaska Coal', Journal of Combustionhttp://dx.doi.org/10.1155/2012/918754. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The feed was pre-ground steam coal mixed with water at the ratio of 1: 1.
Robak Jolanta, Ignasiak Karina, Rejdak Michał 2016, 'Evaluation of the effects of coal grinding in terms of coal water slurry preparation',E3S Web of Conferenceshttp://dx.doi.org/10.1051/e3sconf/20160801023. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)