Geissler tube

[ gahys-ler ]

noun

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

Geissler tube

/ ˈɡaɪslə /

noun

1. 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 History and Origins

Origin of Geissler tube¹

1865–70; named after H. Geissler (1814–79), German inventor

Word History and Origins

Origin of Geissler tube¹

C19: named after Heinrich Geissler (1814–79), German mechanic

Example Sentences

The glow of the Geissler tube or electrically excited gas at low pressure would be an example of "electro-luminescence."

From Project Gutenberg

The introduction of a capacity between the terminals of the Geissler tube, for example two plates of metal 1600 sq. cm.

From Project Gutenberg