(from the article `motor generator`) ...alternating current to direct current, as in some welding applications; or it may provide high-frequency alternating current power for induction ...
Found on
http://www.britannica.com/eb/a-z/d/88
an electric machine for transforming direct current into alternating current or for altering the voltage of direct current, having two armature windings on the same core and a common magnetic field.
Found on
https://www.infoplease.com/dictionary/dynamotor
No exact match found.
