An electrode made of carbon; esp. each of a pair of carbon rods between which an electric arc passes in an arc lamp.
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| 单词 | θ77566 |
| 释义 | the world > matter > physics > electromagnetic radiation > electricity > electric light > [noun] > charcoal pencil (6) carbon1858 An electrode made of carbon; esp. each of a pair of carbon rods between which an electric arc passes in an arc lamp. Subcategories:— one of (1) — used in metal-cutting (1) — bridge between poles (2) — cavity formed in (1) |
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