lume - magn
- lumen
- lumen hour
- lumen second
- lumenmeter
- lumens per watt
- lumicon
- luminaire
- luminaire efficiency
- luminance
- luminance channel
- luminance delay
- luminance range
- luminance signal
- luminescence
- luminescent material
- luminescent screen
- luminopher
- luminosity
- luminous
- luminous body
- luminous ceiling
- luminous center
- luminous efficiency
- luminous electron
- luminous emittance
- luminous exitance
- luminous flux
- luminous flux density
- luminous intensity
- luminous paint
- luminous radiation
- luminous ray
- luminous sensitivity
- luminous source
- luminous standard
- lumminaire efficiency
- lump coal
- lumped capacity
- lumped circuit
- lumped constant
