a magnet in the form of a straight bar.
| 单词 | θ76981 |
| 释义 | the world > matter > physics > electromagnetic radiation > electricity > electric polarization > [noun] > polarized material (2) bar magnet1821 a magnet in the form of a straight bar. electret1885 A permanently polarized piece of dielectric material, the electric counterpart of the permanent magnet. |
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