a device for decoding cryptograms, codes, or the like, as an electric or electronic apparatus that transforms arbitrary input signals into letters, words, etc.
3.
Navigation. an electronic circuit designed to respond only to certain signals and to reject others.
4.
Computers. a circuit designed to produce a single output when actuated by a certain combination of inputs.
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Television. a box attached to a television set containing circuitry to unscramble encoded signals, as cable-television programs or closed captions, so that the signals can be displayed on the screen.
Visual decoder allows researchers to translate brain wave activity into images.
They were given ten seconds, during which time the scientists ran the firing of the relevant neurons through a decoder.
There's not some super secret double nought spy club with beanies and secret decoder rings.
For a television receiver to display closed captions, it must use a set-top box decoder or contain integrated decoder circuitry.
decoder in Science
decoder
(dē-kō'dər) An electronic or software device that converts telecommunication signals from their transmitted form into a form interpretable to other devices or to human beings.