Geissler tube

[ gahys-ler ]
/ ˈgaɪs lər /

noun

a sealed glass tube with platinum connections at the ends, containing rarefied gas made luminous by an electrical discharge.

Origin of Geissler tube

1865–70; named after H. Geissler (1814–79), German inventor
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British Dictionary definitions for geissler tube

Geissler tube

/ (ˈɡaɪslə) /

noun

a glass or quartz vessel, usually having two bulbs containing electrodes separated by a capillary tube, for maintaining an electric discharge in a low-pressure gas as a source of visible or ultraviolet light for spectroscopy

Word Origin for Geissler tube

C19: named after Heinrich Geissler (1814–79), German mechanic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012