| Typicality: | 0.319 |
| Saliency: | 0.163 |
| since the 1940s | 3 | temporal |
| to harden plastics | 2 | purpose |
| chemical → be used to harden → plastic | 5 |
| chemical → be used to harden → polycarbonate plastics | 3 |
| negative | neutral | positive |
| 0.329 | 0.630 | 0.041 |
| Raw frequency | 8 |
| Normalized frequency | 0.163 |
| Modifier score | 0.500 |
| Perplexity | 63.038 |