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

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Dictionary Entries Near sodium-vapor lamp

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Cite this Entry

“Sodium-vapor lamp.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sodium-vapor%20lamp. Accessed 22 Sep. 2021.

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