| Terms for subject Lighting (other than cinema) (1011 entries) |
| lamperaster | louvre | |
| lampeskål | bowl | |
| laser | laser | |
| levetidstest | life test | |
| likeenergispekter | equi-energy spectrum | |
| ljosstyrke | luminosity | |
| lommelykt | flashlight | |
| lumen | lumen | |
| luminansforskjellsterskel | luminance difference threshold | |
| luminescens | luminescence | |
| luxmeter | illuminance meter | |
| lyseksitans | luminous exitance (at a point of a surface) | |
| lysheit | brightness | |
| lysheit (hos relaterte fargar) | lightness (of a related colour) | |
| lyskarakter | characteristic (of a light signal) | |
| lyskaster | projector | |
| lyskasterlampe | projector lamp | |
| lyskildens lystilbakegangsfaktor | luminous flux maintenance factor | |
| lyssenter | light centre (of a source) | |
| lysstimulus | light stimulus |