teleconverter

[ tel-i-kuh n-vur-ter ]
/ ˌtɛl ɪ kənˈvɜr tər /

noun Photography.

See under converter(def 8).
Also called teleconverter lens.

Origin of teleconverter

First recorded in 1965–70; tele-1 + converter

Definition for teleconverter (2 of 2)

converter

or con·ver·tor

[ kuh n-vur-ter ]
/ kənˈvɜr tər /

noun

Origin of converter

First recorded in 1525–35; convert1 + -er1

British Dictionary definitions for teleconverter

converter

convertor

/ (kənˈvɜːtə) /

noun

a person or thing that converts
physics
  1. a device for converting alternating current to direct current or vice versa
  2. a device for converting a signal from one frequency to another or from analogue to digital forms
a vessel in which molten metal is refined, using a blast of air or oxygen See also Bessemer converter, L-D converter
short for converter reactor
computing a device for converting one form of coded information to another, such as an analogue-to-digital converter

Scientific definitions for teleconverter

converter
[ kən-vûrtər ]

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 rectifier transformer.
An electronic device that changes the frequency of a radio or other electromagnetic signal.