| thorium → ReceivesAction → used as fuel | 0.60 | |
| thorium → ReceivesAction → extracted | 0.55 | |
| thorium → ReceivesAction → used as nuclear fuel | 0.52 | |
| thorium → ReceivesAction → found as thorium-232 | 0.49 | |
| thorium → ReceivesAction → mixed with enriched uranium | 0.42 | |
| thorium → ReceivesAction → used as alloying element | 0.42 | |
| thorium → ReceivesAction → discovered in 1828 | 0.40 | |
| thorium → ReceivesAction → mined | 0.36 | |
| thorium → ReceivesAction → stored | 0.36 | |
| thorium → ReceivesAction → attacked by water | 0.33 | |
| thorium → ReceivesAction → converted to uranium-233 | 0.29 | |
| thorium → ReceivesAction → refined as a by-product | 0.29 | |
| thorium → ReceivesAction → contaminated with the oxide | 0.27 | |
| thorium → ReceivesAction → deposited in the sediment | 0.25 | |
| thorium → ReceivesAction → irradiated | 0.25 | |
| thorium → ReceivesAction → produced by the decay of uranium | 0.25 | |
| thorium → ReceivesAction → mixed with plutonium | 0.16 | |
| thorium → ReceivesAction → proven to add as alternative | 0.16 |