Concept set CHARCOAL OR COAL
Any combustible black, brown, or gray rocklike substance, usually charcoal or coal.
Related concept sets
| CHARCOAL OR COAL | narrower | COAL |
| CHARCOAL OR COAL | narrower | CHARCOAL |
| COAL | broader | CHARCOAL OR COAL |
| CHARCOAL | broader | CHARCOAL OR COAL |