Definition of sodium-vapor lamp in English:

sodium-vapor lamp

Syllabification: so·di·um-va·por lamp
(also sodium lamp)


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

Definition of sodium-vapor lamp in:

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Word of the day retroflex
Pronunciation: ˈretrəˌfleks
turned backward