noun
magnetic field
Scientific and everyday term for the region around a magnet or electric current where magnetic forces are observed.
地球は大きな磁場を持っている。
The Earth has a large magnetic field.
磁場の強さを測定する。
Measure the strength of the magnetic field.
noun
atmosphere; ambience; focal point
Figurative extension: a place or situation that exerts a strong influence or draws people in, like a magnetic field. Often used for lively or compelling environments.
あのカフェは独特の磁場がある。
That café has a unique atmosphere.
彼の周りには人を引きつける磁場のようなものがある。
There is something like a magnetic field around him that draws people in.
Compound of 磁 (ji, 'magnet') and 場 (ba, 'field, place'). The figurative sense developed from the idea of an invisible attractive force.