| Noun | 1. | convertor - a device for changing one substance or form or state into anotherBessemer converter - a refractory-lined furnace used to convert pig iron into steel by the Bessemer process catalytic converter - a converter that uses a platinum-iridium catalyst to oxidize pollutants and carbon monoxide into carbon dioxide and water; an antipollution device on an automotive exhaust system data converter - converter for changing information from one code to another device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water" electrical converter - converter that converts alternating current into direct current or vice versa electronic converter - (telecommunication) converter for converting a signal from one frequency to another torque converter - converter for transmitting and amplifying torque (especially by hydraulic means) |