| Answer | Crossword Clue |
|---|---|
| sandiver | scum formed on molten glass |
| sandivers | SANDIVER, scum formed on molten glass |
| sandiver | whitish, saline scum formed on the surface of molten glass |
| drossier | the scum that forms on the surface of molten metal |
| paramylum | a substance resembling starch, found in the green frothy scum formed on the surface of stagnant water |
| paramylums | PARAMYLUM, a substance resembling starch, found in the green frothy scum formed on the surface of stagnant water |
