| Main Entry: | |
| Part of Speech: | noun |
| Definition: | volcano matter |
| Synonyms: | ashes, basalt, coulee, magma, obsidian, scoria, slag |
| Notes: | lava is the molten rock from a volcano; it is called magma before it comes out |
| Main Entry: | slag |
| Part of Speech: | noun |
| Definition: | debris |
| Synonyms: | ashes, cinders, dross, lava, recrement, refuse, residue, scoria |