Sodium-lamp

sodium lamp

noun Electricity.
Dictionary.com Unabridged

sodium-vapor lamp

[soh-dee-uhm-vey-per]
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.
Also called sodium lamp.


Origin:
1935–40

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
sodium lamp
 
n
another name for sodium-vapour lamp

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