converter

 
Pronunciation: /kənˈvəːtə/
(also convertor)

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 converter