Answer | Crossword Clue |
---|---|
ETHER | Nitrous oxide predecessor |
LAUGHINGGAS | Nitrous oxide. |
LAUGHINGGAS | Nitrous oxide |
GAS | Nitrous oxide. |
PILLSOFLAUGHTER | Nitrous oxide tablets? |
GAS | Nitrous oxide, e.g. |
ANESTHESIA | What nitrous oxide produces |
GAS | Nitrous oxide, for one |