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

     

    classify

     verb
    verb
    BrE BrE//ˈklæsɪfaɪ//
     
    ; NAmE NAmE//ˈklæsɪfaɪ//
     
    Verb Forms present simple I / you / we / they classify
    BrE BrE//ˈklæsɪfaɪ//
     
    ; NAmE NAmE//ˈklæsɪfaɪ//
     
    he / she / it classifies
    BrE BrE//ˈklæsɪfaɪz//
     
    ; NAmE NAmE//ˈklæsɪfaɪz//
     
    past simple classified
    BrE BrE//ˈklæsɪfaɪd//
     
    ; NAmE NAmE//ˈklæsɪfaɪd//
     
    past participle classified
    BrE BrE//ˈklæsɪfaɪd//
     
    ; NAmE NAmE//ˈklæsɪfaɪd//
     
    -ing form classifying
    BrE BrE//ˈklæsɪfaɪɪŋ//
     
    ; NAmE NAmE//ˈklæsɪfaɪɪŋ//
     
    Experiments and research
     
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  1. 1classify something to arrange something in groups according to features that they have in common The books in the library are classified according to subject. Patients are classified into three categories. All rural settlements were classified according to their size. people classified by ethnic group These can be classified under five headings. See related entries: Experiments and research
  2. 2classify somebody/something as something to decide which type or group somebody/something belongs to Only eleven of these accidents were classified as major. Would you classify it as a hard drug or a soft drug? See related entries: Experiments and research
  3. Word Origin late 18th cent.: back-formation from classification, from French, from classe ‘class’, from Latin classis ‘division’.Extra examples Antiques can be classified according to a number of criteria. The books are all classified by subject. We can classify machines in terms of their function. Eleven accidents were classified as major. Soils can be classified under two main headings. The study recorded and classified accidents over a period of a year.
See the Oxford Advanced American Dictionary entry: classify