Concept set CHARCOAL OR COAL

Any combustible black, brown, or gray rocklike substance, usually charcoal or coal.

Related concept sets

CHARCOAL OR COALnarrowerCOAL
CHARCOAL OR COALnarrowerCHARCOAL
COALbroaderCHARCOAL OR COAL
CHARCOALbroaderCHARCOAL OR COAL
Id Concept in source Conceptlist