Definition of sodium-vapor lamp in English:

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sodium-vapor lamp

(also sodium lamp)

noun

A lamp in which an electrical discharge in sodium vapor gives a yellow light, typically used in street lighting.
Example sentences
  • 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.

For editors and proofreaders

Syllabification: so·di·um-va·por lamp

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