converterPronunciation: /kənˈvəːtə/ (also convertor)Translate converter | into Italian Definition of converter noun a person or thing that converts something:the would-be converter of a building to domestic use a device for altering the nature of an electric current or signal, especially from AC to DC or vice versa, or from analogue to digital or vice versa. a retort used in steel-making. short for catalytic converter. Computing a program that converts data from one format to another. a camera lens which changes the focal length of another lens by a set amount: a camera fitted with a x2 converterconverter in other Oxford dictionaries Definition of converter in the US English dictionary