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| DENJŌ | 電場 | ELECTRIC FIELD |
| JUŌ | 磁場 | MAGNETIC FIELD |
| DENDŌRYOKU | 電動力 | ELECTROMOTIVE FORCE |
| JIDOŌRYOKU | 磁動力 | MAGNETOMOTIVE FORCE |
| DŌŌDENSEI | 導電性 | CONDUCTIVITY |
| KAIRO | 回路 | CIRCUIT |
| CHOKURETSU | 直列 | SERIES |
| HEIRETSU | 並列 | PARALLEL |
| DENRYŪKEI | 電流計 | AMMETER |
| DENATSUKEI | 電圧計 | VOLTMETER |
| DENJIFUKUSHA | 電磁輻射 | ELECTROMAGNETIC RADIATION |
| KŌSOKU | 光速 | VELOCITY OF LIGHT |
| HANSHA | 反射 | REFLECTION |
| KUSSETSU | 屈折 | REFRACTION |
| KAISETSU | 回折 | DIFFRACTION |
| HENKŌ | 偏光 | POLARIZATION |
| KŌSEN | 光線 | LIGHT RAY |
| JŌKŌSEN | 常光線 | ORDINARY RAY |
| IJŌKŌSEN | 異常光線 | EXTRAORDINARY RAY |
| ZŌ | 像 | IMAGE |
| JITSUZŌ | 実像 | REAL IMAGE |
| KYOZŌ | 虚像 | VIRTUAL IMAGE |
| HAMEN | 波面 | WAVE FRONT |
| SHINPUKU | 振幅 | AMPLITUDE |
| ISŌ | 位相 | PHASE |
| SHŪHASŪ | 周波数 | FREQUENCY |
| HACHŌ | 波長 | WAVE LENGTH |
| SHŪKI | 周期 | PERIOD |
| HASŪ | 波数 | WAVE NUMBER |
| KŌDO | 光度 | INTENSITY |
