English Lexicon

Data compression

/ˈdeɪ.tə kəmˈprɛʃ.ən/
nounCEFR C1 (Advanced)Top #4500 frequency
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Comprehensive Definitions & Senses

1 sense
As noun
  1. 1

    The process of encoding information using fewer bits than the original representation.

    "Data compression is essential for streaming high-definition video over the internet."

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Linguistic Origin & Historical Etymology

The term combines 'data', originating from the Latin plural of 'datum' (meaning 'given' or 'something given'), and 'compression', derived from the Latin 'compressio', from 'comprimere' (to press together). It emerged in the mid-20th century with the rise of digital computing and information theory to describe the reduction of data volume for efficient storage and transmission.

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