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| 一 ichi1 news2 nf33; 壱; 弌; 壹 １ can also be read ワン. 壱, 弌 and 壹 are used in legal documents oK | |||
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| 第一 ichi1; 第１ | |||
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1 : 27 phrases in 10 subjects |
| Computers | 2 |
| Electric motors | 1 |
| Electronics | 1 |
| General | 16 |
| Magnetics | 1 |
| Obsolete / dated | 1 |
| Radio | 1 |
| Superconductivity | 1 |
| Telegraphy | 2 |
| Vacuum tubes | 1 |