[{"Bold_text": "noun", "List Items": ["a person or thing that converts .", "Electricity.a device that converts alternating current to direct current or vice versa.Compare inverter , synchronous converter synchronous converter.", "Metallurgy.a chamber or vessel through which an oxidizing blast of air is forced, as in making steel by the Bessemer process.", "Television. decoder(def5) decoder(def5).", "Radio and Television.an auxiliary device that permits a receiver to pick up frequencies or channels for which it was not originally designed.", "Physics.a reactor for converting kind of fuel into another kind.", "a person who is engaged in converting textile fabrics, especially cotton cloths, from the raw state into the finished product ready for the market by bleaching, dyeing, etc.", "Also calledconverter lens.Photography.an additional lens attached to a lens in use on a camera to alter focal length, mounted in front of a lens to produce a wide-angle effectwide-angle converter, or wide-angle converter lensor between the lens and the camera body to produce a telephoto effectteleconverter, or extender."]}]