[ soh-dee-uh m-vey-per ]
/ ˈsoʊ di əmˌveɪ pər /
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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Also called sodium lamp.
Origin of sodium-vapor lamp
First recorded in 1935–40
Words nearby sodium-vapor lamp
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020