primordial
| radioactive element
| primordial | |
| med. | primitive |
| radioactive element | |
| med. chem. | radioélément |
| nucl.phys. radiat. | radioélément |
| polit. | élément radioactif |
| |||
| primitive | |||
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primordial : 23 phrases in 5 subjects |
| Biology | 1 |
| Medical | 11 |
| Microsoft | 1 |
| Natural sciences | 4 |
| Radiation | 6 |