一時磁石
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ち
じ
じ
しゃ
く
Meanings
1
temporary magnet
A magnet that only exhibits magnetism while under the influence of an external magnetic field. Contrasts with 永久磁石 (permanent magnet).
See also: 永久磁石
Iron easily becomes a temporary magnet.
A temporary magnet loses its magnetism when the external magnetic field is removed.