discharge tube Hear it!

discharge tube definition

discharge tube

  1. any of various devices in which a gas or metal vapor inside sealed glass is used to conduct current when voltage is applied
  2. such a device used as a lamp (discharge lamp), as with neon or mercury vapor

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

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.