noun
bar magnet
A straight, rectangular magnet with north and south poles at opposite ends. Common in science education and simple experiments.
理科の実験で棒磁石を使った。
We used a bar magnet in the science experiment.
A horseshoe magnet, which has a U-shape and brings the poles closer together.
Compound of 棒 (bō, 'bar, rod') and 磁石 (jishaku, 'magnet').