- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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