(also sodium lamp)
Definition of sodium-vapour lamp in English:
A lamp in which an electrical discharge in sodium vapour gives a yellow light, typically used in street lighting.
- The light source was a sodium lamp.
- The lantern uses a 100 Watt high pressure sodium lamp with a 1289 reflector and an integral control gear.
- Lighting was supplemented from dawn to dusk with high pressure sodium lamps.
Definition of sodium-vapour lamp in:
- US English dictionary
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