Pronunciation: (mag-nē'tō),[key] —n., —pl.-tos.Elect. a small electric generator with an armature that rotates in a magnetic field provided by permanent magnets, as a generator supplying ignition current for certain types of internal combustion engines or a hand-operated generator for telephone signaling. Also called magne'toelec'tric gen'erator, magnetogenerator.
a combining form representing magnetic or magnetism in compound words: magnetochemistry.Also,esp. before a vowel,magnet-.