Oxford Dictionary English

    classification

    noun
    noun
    BrE BrE//ˌklæsɪfɪˈkeɪʃn//
    ; NAmE NAmE//ˌklæsɪfɪˈkeɪʃn//
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  1. 1[uncountable] the act or process of putting people or things into a group or class (= of classifying them) a style of music that defies classification (= is like no other) Oxford Collocations Dictionary adjectivebroad, general, detailed, … verb + classificationdefy, make, develop, … classification + nounscheme, system, error, … prepositionclassification into phrasesa system of classification See full entry
  2. 2[countable] a group, class, division, etc. into which somebody or something is put Oxford Collocations Dictionary adjectivebroad, general, detailed, … verb + classificationdefy, make, develop, … classification + nounscheme, system, error, … prepositionclassification into phrasesa system of classification See full entry
  3. 3[uncountable] (biology) the act of putting animals, plants, etc. into groups, classes or divisions according to their characteristics The classification of bony fish is extremely complicated. Wordfinderbreedbreed, class, classification, genus, hybrid, kingdom, order, phylum, species, taxonomy Oxford Collocations Dictionary adjectivebroad, general, detailed, … verb + classificationdefy, make, develop, … classification + nounscheme, system, error, … prepositionclassification into phrasesa system of classification See full entry
  4. 4[countable] (specialist) a system of arranging books, tapes, magazines, etc. in a library into groups according to their subject Oxford Collocations Dictionary adjectivebroad, general, detailed, … verb + classificationdefy, make, develop, … classification + nounscheme, system, error, … prepositionclassification into phrasesa system of classification See full entry
    5. Extra examples a document with the security classification ‘confidential’ a style of dancing that defies classification the broad classification of music into classical and pop Many fairly common human behaviours can fall under the general classification of ‘mental illness’. The classification ‘science’ covers a great many different subjects. The material was put into the highest security classification.
See classification in the Oxford Learner's Dictionary of Academic EnglishSee classification in the Oxford Advanced American Dictionary
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