单词 | ignitor |
释义 | ignitor [ig`nīd·ǝr] ELECTRONICS 1. An electrode used to initiate and sustain the discharge in a switching tube. Also known as keep-alive electrode (deprecated). 2. A pencil-shaped electrode, made of carborundum or some other conducting material that is not wetted by mercury, partly immersed in the mercury-pool cathode of an ignitron and used to initiate conduction at the desired point in each alternating-current cycle. |
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