sodium-vapor lamp Hear it!

sodium-vapor lamp definition

sodium-vapor lamp (sō′dē əm vā′pər)

a discharge lamp used for street lighting, fitted with two electrodes and filled with neon and sodium vapor, giving off a soft, yellow light

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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