sodium-vapor lamp

[ soh-dee-uh m-vey-per ]

/ ˈsoʊ di əmˌveɪ pər /

noun Electricity.

an electric lamp in which sodium vapor is activated by current passing between two electrodes, producing a yellow, glareless light: used on streets and highways.

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Nearby words

sodium thiocyanate, sodium thiosulfate, sodium thiosulphate, sodium tripolyphosphate, sodium-potassium pump, sodium-vapor lamp, sodium-vapour lamp, sodom, sodom and gomorrah, sodoma, il, sodomite

Origin of sodium-vapor lamp

First recorded in 1935–40

Also called sodium lamp.