1
refuel
1
rhodonite(noun, mineral)
1
rocket fuel
1
salt(noun, mineral)
1
sea coal
1
sear
1
sedimentary
1
sedimentary rock
1
selenite(noun, mineral)
1
sell
1
silica(noun, mineral)
1
silicate(noun, mineral)
1
singe
1
slack(noun, bitumen)
1
sloe
1
smoke
1
solder
1
solid fuel
1
spar(noun, mineral)
1
sulfur(noun, mineral)
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APASmart Define. (2015). coal thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/coal/thesaurus/synonyms
ChicagoSmart Define. 2015. "coal thesaurus" https://smartdefine.org/coal/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, coal thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/coal/thesaurus/synonyms>.
MLASmart Define. "coal thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/coal/thesaurus/synonyms>