Definition of decoder
: one that decodes; especially : an electronic device that converts signals from one form to another (as for unscrambling a television transmission)
First Known Use of decoder
DECODER Defined for English Language Learners
Definition of decoder for English Language Learners
: an electronic device that changes signals for a radio, television, etc., to a form that can be heard or seen correctly
Seen and Heard
What made you want to look up decoder? Please tell us where you read or heard it (including the quote, if possible).