a magnet in the shape of a bar whose magnetic force is strongest at its poles(= ends), one end attracting iron and steel objects and the other end pushing them away
If you hang a bar magnet from a piece of string, its north pole will swing round to point to Earth's North Pole. 如果把一块条形磁铁挂在一根绳子上，它的北极就会旋转指向地球的北极。
更多例句
His experiments can be repeated easily with small bar magnets.
The magnetic field around a solenoid is similar to that around a bar magnet.
A compass needle is like a bar magnet. When it is free to rotate, it turns to point north-south.
If the solar wind did not exist, the earth's magnetic field would be like that of a bar magnet in space.