Oxford Dictionary English

    organism

    noun
    noun
    BrE BrE//ˈɔːɡənɪzəm//
    ; NAmE NAmE//ˈɔːrɡənɪzəm//
    Cell biology
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  1. 1(biology or formal) a living thing, especially one that is extremely small Even the simplest, single-celled organisms show examples of this behaviour. The cell is the unit of which all living organisms are composed. see also microorganism Wordfinderbiologybiology, biotechnology, breed, cell, chromosome, DNA, gene, mutation, organism, protein Oxford Collocations Dictionary adjectivedeveloping, growing, living, … See full entry See related entries: Cell biology
  2. 2(formal) a system consisting of parts that depend on each other the social organism (= society)
    3.  Word Originearly 18th cent. (in the sense ‘organization’, from organize): current senses derive from French organisme.
See organism in the Oxford Learner's Dictionary of Academic EnglishSee organism in the Oxford Advanced American Dictionary
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