proton-neutron | theory
| theories | |
| gen. | Theorien |
| theory | |
| gen. | theorie |
| arts. | Theorie |
| earth.sc. el. | Berechnung |
| ed. | Grundlagen |
| emerg.care | Theorie |
| med. | Hypothese |
| English thesaurus | |||
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| PN | |||
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proton-neutron : 17 phrases in 4 subjects |
| High energy physics | 2 |
| Measuring instruments | 1 |
| Physics | 10 |
| Technology | 4 |