English

Definition of compress verb from the Oxford Advanced Learner's Dictionary

     

    compress

     verb
    verb
    BrE BrE//kəmˈpres//
     
    ; NAmE NAmE//kəmˈpres//
     
    Verb Forms present simple I / you / we / they compress
    BrE BrE//kəmˈpres//
     
    ; NAmE NAmE//kəmˈpres//
     
    he / she / it compresses
    BrE BrE//kəmˈpresɪz//
     
    ; NAmE NAmE//kəmˈpresɪz//
     
    past simple compressed
    BrE BrE//kəmˈprest//
     
    ; NAmE NAmE//kəmˈprest//
     
    past participle compressed
    BrE BrE//kəmˈprest//
     
    ; NAmE NAmE//kəmˈprest//
     
    -ing form compressing
    BrE BrE//kəmˈpresɪŋ//
     
    ; NAmE NAmE//kəmˈpresɪŋ//
     
    Materials and properties
     
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  1. 1[transitive, intransitive] to press or squeeze something together or into a smaller space; to be pressed or squeezed in this way compress something (into something) compressed air/gas As more snow fell, the bottom layer was compressed into ice. She compressed her lips. compress (into something) Her lips compressed into a thin line. See related entries: Materials and properties
  2. 2[transitive] compress something (into something) to reduce something and fit it into a smaller space or amount of time synonym condense The main arguments were compressed into one chapter. Rehearsal time will have to be compressed into two evenings.
  3. 3[transitive] compress something (computing) to make computer files, etc. smaller so that they use less space on a disk, etc. opposite decompress
  4. Word Origin late Middle English: from Old French compresser or late Latin compressare, frequentative of Latin comprimere, from com- ‘together’ + premere ‘to press’; or directly from compress- ‘pressed together’, from the verb comprimere.
See the Oxford Advanced American Dictionary entry: compress

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