| Answer | Crossword Clue |
|---|---|
| chokedamp | an asphyxiating gas, mainly carbon dioxide, found in mines |
| chokedamps | CHOKEDAMP, an asphyxiating gas, mainly carbon dioxide, found in mines |
| blackdamps | Choking or suffocating gas, typically carbon dioxide, that is found in mines and other underground spaces |
| blackdamp | Choking or suffocating gas, typically carbon dioxide, that is found in mines and other underground spaces |
