an electric generator in which one or more permanent magnets produce the magnetic field; esp., a small machine of this sort connected with and run by an internal-combustion engine, used to generate the electric current providing a spark for the ignition
Origin:
see magnet
magnetism, magnetic force: magnetometer
magnetoelectric: magnetohydrodynamics
Origin:
see magnet
See magneto in American Heritage Dictionary 4
nounpl.mag·ne·tos
A device that produces alternating current for distribution to the spark plugs, used in the ignition systems of some internal-combustion engines.