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Definition of codec noun from the Oxford Advanced Learner's Dictionary

codec

noun
 
/ˈkəʊdek/
 
/ˈkəʊdek/
(computing)
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  1. a device or program that reduces the size of a file, etc. so that it can be sent more quickly, and returns it to its original form so that it can be usedTopics Computersc2
    Word Origin1960s: blend of coder and decoder.
previously
adverb
 
 
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