converter

:  one that converts: such asa :  the furnace used in the Bessemer processb or convertor \kən-ˈvər-tər\ :  a device employing mechanical rotation for changing electrical energy from one form to another (as from direct current to alternating current or vice versa); also :  a radio device for converting one frequency to anotherc :  a device for adapting a television or radio receiver to receive channels or frequencies for which it was not originally designed a cable converter FM converterd :  a device that accepts data in one form and converts it to another analog-digital convertere :  catalytic converter