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sodium-vapor lamp

noun

Definition of sodium-vapor lamp 

: an electric lamp that contains sodium vapor and electrodes between which a luminous discharge takes place and that is used especially for lighting highways

First Known Use of sodium-vapor lamp

1933, in the meaning defined above

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Dictionary Entries near sodium-vapor lamp

sodium thiosulfate

sodium tripolyphosphate

sodium tungstate

sodium-vapor lamp

sod off

so do I

sod oil

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Time Traveler for sodium-vapor lamp

The first known use of sodium-vapor lamp was in 1933

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