sodium-vapor lamp

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الإنجليزية - الإنجليزية

تعريف sodium-vapor lamp في الإنجليزية الإنجليزية القاموس.

sodium-vapor lamp
lamp in which an electric current passed through a tube of sodium vapor makes a yellow light; used is street lighting
sodium vapor lamp
a street lamp in which electricity is passed through sodium vapour to emit a yellow light