| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | nitrous oxide | recreational | Used as a recreational drug to induce euphoria and laughter at parties or events | 1 |
| 2 | nitrous oxide | recreational community | Used as a recreational drug for its euphoric effects | 1 |
| 3 | nitrous oxide | recreational drug use | Used as a recreational drug for its euphoric effects, particularly in some Western countries. | 1 |
| 4 | nitrous oxide | recreational use | Used as a recreational drug for its euphoric effects | 1 |