sodium-vapor lamp

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so′dium-va`por lamp`


n.
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.
[1935–40]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sodium-vapor lamp - lamp in which an electric current passed through a tube of sodium vapor makes a yellow light; used is street lighting
lamp - an artificial source of visible illumination
References in periodicals archive ?
Even though the Low-Pressure Sodium lamp provides the highest efficacy, it is the least popular lamp within the HID category stemming from its dreary mono-chromatic appearance.
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