The ground as a medium by which an electric circuit is completed or as having zero potential; (hence) electrical connection with the ground. Now…
| 单词 | θ77314 |
| 释义 | the world > matter > physics > electromagnetic radiation > electricity > transmission of electricity, conduction > conduction to earth > [noun] (17) earth1742 The ground as a medium by which an electric circuit is completed or as having zero potential; (hence) electrical connection with the ground. Now… earth wiring1876 Earth wires or connections collectively. Also: the practice of using an earth wire. earthing1880 The action of making or providing an electrical connection to the ground; the fact or state of being so connected. Frequently attributive. Cf. earth… Subcategories:— low-resistance (2) — pointed object (1) — wire (3) — protective screen (2) — instrument detecting connection (1) — lightning conductor (5) |
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