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1. Oxford Dictionary

   Geissler tube

   • IPA[ˈɡʌɪslə]

   英式

   • n.
     a sealed tube of glass or quartz with a central constriction, filled with vapour for the production of a luminous electrical discharge.

   • noun: Geissler tube, plural noun: Geissler tubes

2. • 更多解釋

   Geissler tube

   • IPA[ˈɡīslər ˌto͞ob]

   美式

   • n.
     a sealed tube of glass or quartz with a central constriction, filled with vapor for the ...

   Oxford American Dictionary