0 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:
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.
