converter(n = noun.artifact) convertor - a device for changing one substance or form or state into another;
is a kind of device
has particulars: bessemer converter, catalytic converter, data converter, electrical converter, electronic converter, torque converter
Derived forms verb convert₁₁, verb convert₁

1.  One who converts; one who makes converts. [1913 Webster]

2.  A retort, used in the Bessemer process, in which molten cast iron is decarburized and converted into steel by a blast of air forced through the liquid metal. [1913 Webster]

converter, n. (also convertor)
1 a person or thing that converts.
2 Electr. a an electrical apparatus for the interconversion of alternating current and direct current. b Electronics an apparatus for converting a signal from one frequency to another.
3 a reaction vessel used in making steel.

Idiom:
converter reactor a nuclear reactor that converts fertile material into fissile material.

analog-digital converter, analog-to-digital converter, bessemer converter, catalytic converter, data converter, digital-analog converter, digital-to-analog converter, electrical converter, electronic converter, phase converter, rotary converter, synchronous converter, torque converter