 |
| |||
| undetectable (Alex Krayevsky) | |||
| undetermined | |||
| equivocal | |||
| undefined; undefinable | |||
| неопределяемый: 20 phrases in 9 subjects |
| Energy industry | 2 |
| General | 2 |
| Mathematics | 4 |
| Medical | 7 |
| Medical appliances | 1 |
| Psychiatry | 1 |
| Psychology | 1 |
| Spectroscopy | 1 |
| Telecommunications | 1 |