| 单词 | Geissler tube |
| 释义 | Word Frequency 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 C19: named after Heinrich Geissler (1814–79), German mechanic |
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