| Terms for subject Lighting (other than cinema) (856 entries) |
| 上半球光束 | upward flux (of a source) | |
| 下半球光束 | downward flux (of a source) | |
| 下半球光束比 (照明器具の) | downward flux fraction (of a luminaire) | |
| 下半球照明器具効率 | downward light output ratio (of a luminaire) | |
| 不透過媒質 | opaque medium | |
| 不快グレア | discomfort glare | |
| 名目的光達距離 | nominal range | |
| 導標 | leading marks | |
| 導灯 | leading lights | |
| 明るい | light | |
| 明るさ | luminosity | |
| 明暗灯 | occulting light | |
| 透明媒質 | transparent medium | |
| 透明ガラス球 | clear bulb | |
| 透過光学濃度 | transmittance (optical) density | |
| 透過濃度 | transmittance (optical) density | |
| 耐圧防爆照明器具 | flameproof luminaire | |
| 耐圧防爆照明器具 | explosion-proof luminaire | |
| 演色 | colour rendering | |
| 演色評価数 | colour rendering index |