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

     

    decompress

     verb
    verb
    BrE BrE//ˌdiːkəmˈpres//
     
    ; NAmE NAmE//ˌdiːkəmˈpres//
     
    Verb Forms present simple I / you / we / they decompress
    BrE BrE//ˌdiːkəmˈpres//
     
    ; NAmE NAmE//ˌdiːkəmˈpres//
     
    he / she / it decompresses
    BrE BrE//ˌdiːkəmˈpresɪz//
     
    ; NAmE NAmE//ˌdiːkəmˈpresɪz//
     
    past simple decompressed
    BrE BrE//ˌdiːkəmˈprest//
     
    ; NAmE NAmE//ˌdiːkəmˈprest//
     
    past participle decompressed
    BrE BrE//ˌdiːkəmˈprest//
     
    ; NAmE NAmE//ˌdiːkəmˈprest//
     
    -ing form decompressing
    BrE BrE//ˌdiːkəmˈpresɪŋ//
     
    ; NAmE NAmE//ˌdiːkəmˈpresɪŋ//
     
     
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  1. 1[intransitive, transitive] decompress (something) to have the air pressure in something reduced to a normal level or to reduce it to its normal level
  2. 2[transitive] decompress something (computing) to return files, etc. to their original size after they have been compressed opposite compress
See the Oxford Advanced American Dictionary entry: decompress