 |
| English thesaurus | |||
| |||
| c.e. | |||
| cathode: 67 phrases in 13 subjects |
| Analytical chemistry | 5 |
| Chemistry | 4 |
| Construction | 1 |
| Electrochemistry | 3 |
| Electronics | 1 |
| General | 2 |
| Lighting other than cinema | 10 |
| Radio | 2 |
| Radiology | 2 |
| Semiconductors | 1 |
| Technology | 6 |
| Thermal Energy | 4 |
| Vacuum tubes | 26 |