Electricity. a device that converts alternating current to direct current or vice versa.Compare inverter, 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 (def. 5).
Radioand 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 one 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 called con·vert·er 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 effect (wide-angle converter, or wide-angle converter lens ) or between the lens and the camera body to produce a telephoto effect (teleconverter, or extender ).
An electrical device that changes the form of an electric signal or power source, as by converting alternating current to direct current, or an analog signal to a digital signal. Compare rectifiertransformer.
An electronic device that changes the frequency of a radio or other electromagnetic signal.