Pronunciation: (mag-nē'tō), [key]
—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-.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.