Strong, permanent magnets that are made from alloys of rare earth elements, are much stronger than ferrite or alnico magnets, and are extremely brittle.

plural of rare earth magnet

plural of single-molecule magnet

One versed in the science of magnetism; a magnetist.

Quality of being magnetic.

plural of magnetician

Obsolete form of magnetic.

(dated) magnetism (physical phenomenon) / (dated) magnetism (attractive quality of a person or thing)