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| gamma radioactive material; gamma active material; γ-radioactive material; γ-active material; gamma radioactivity; γ-radioactivity; gamma activity | |||
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| alpha radioactive material; alpha active material; α-radioactive material; α-active material; alpha radioactivity; α-radioactivity; alpha activity | |||
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| radioactive substance Any substance that contains one or more radionuclides of which the activity or the concentration cannot be disregarded as far as radiation protection is concerned | |||
| radioactive substance | |||
| substance radioactive: 50 phrases in 11 subjects |
| Criminal law | 1 |
| Earth sciences | 3 |
| Electronics | 3 |
| Environment | 5 |
| General | 2 |
| Health care | 1 |
| Medical | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 4 |
| Transport | 1 |
| Радиоактивное излучение | 28 |