| Answer | Crossword Clue |
|---|---|
| scoria | the dross or slag from metal smelting |
| scoriae | SCORIA, the dross or slag from metal smelting |
| scoriac | pertaining to scoria (the dross or slag from metal smelting) |
| scoriae | the refuse, dross, or slag left after melting or smelting metal; scum |
| scoria | the refuse, dross, or slag left after melting or smelting metal; scum |
| cindery | the slag from a metal furnace dross |
