Short for lightning conductor n. at lightning, n. adj.compounds 3: a pointed metallic rod fixed to the summit of a building (or the mast of a ship)…
| 单词 | θ77320 |
| 释义 | the world > matter > physics > electromagnetic radiation > electricity > transmission of electricity, conduction > conduction to earth > [noun] > lightning conductor (5) conductor1761 Short for lightning conductor n. at lightning, n. adj.compounds 3: a pointed metallic rod fixed to the summit of a building (or the mast of a ship)… Franklin1818 U.S. A lightning-conductor. Also Franklin's rod. Obsolete. counterpoise1930 Electrical Engineering. A conductor or network of conductors buried in the ground and connected to an electricity pylon in order to reduce the risk… Subcategories:— extremity of (1) — demonstration of (1) |
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