noun
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
鉄は一時磁石になりやすい。
Iron easily becomes a temporary magnet.
一時磁石は、外部
A temporary magnet loses its magnetism when the external magnetic field is removed.