| Typicality: | 0.516 |
| Saliency: | 0.319 |
| for its anaesthetic and analgesic effects | 6 | purpose |
| in the 1800s | 2 | temporal |
| nitrous oxide → be used in → surgery | 6 |
| nitrous oxide → be used by → surgeon | 3 |
| negative | neutral | positive |
| 0.124 | 0.741 | 0.136 |
| Raw frequency | 9 |
| Normalized frequency | 0.319 |
| Modifier score | 0.900 |
| Perplexity | 35.628 |