| Answer | Crossword Clue |
|---|---|
| TRI | Prefix with oxide |
| TETR | Numerical prefix with oxide |
| PER | Prefix with chloride or oxide |
| LIMING | Disinfecting with calcium oxide. |
| LIMED | Smeared with calcium oxide |
| LIMY | Covered with calcium oxide |
| LIMED | Treated with calcium oxide. |
| ANODIZES | Coats with a protective oxide |
| PACO | Ores with oxide and traces of silver. |
| SSTARS | Red giants with zirconium oxide in their spectra |
