A small magnetic dynamo, especially one that provides power to the spark plugs of a small internal combustion engine (now mostly used in aircraft).

Alternative form of magnet-

plural of magneto

(physics) aerodynamics in the presence of a strong magnetic field

Alternative spelling of magnetostriction

(biology, physics) The ability of birds or other animals to detect magnetic fields as an aid to navigation.

In a magnetocentrifugal manner

Of or pertaining to magnetocapacitance

(physics) The variation of the electrical capacitance of a material in the presence of a magnetic field

Of or pertaining to magnetochemistry.