Geissler tube Hear it!

Geissler tube definition

Geiss·ler tube (gīs′lər)

a glass tube having two electrodes and containing a gas which, when electrified, takes on a luminous glow of a color characteristic of the gas: used in spectroscopy, etc.

Etymology: after H. Geissler (1814-79), Ger inventor

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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