(physics) An electricity generator; a dynamo-electric machine. / (astrophysics) The mechanism by which a celestial body, such as the Earth or a star, generates a magnetic field.

plural of dynamo

power, usually physical.

(American football)

plural of dynamo theory

(physics) A proposed mechanism, involving a rotating, convecting, and electrically conducting fluid, by which a celestial body generates and maintains a magnetic field over astronomical time scales.

A generator that creates electricity using spinning magnets; a dynamo.

plural of dynamo-electric machine

(rail transport) A piece of railway rolling stock used to measure various aspects of a locomotive's performance.

Any of various devices used to measure mechanical power, force, or torque.