Definition of conjunction noun from the Oxford Advanced American Dictionary

     

    conjunction

     noun
    noun
    NAmE//kənˈdʒʌŋkʃn//
     
     
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  1. 1[countable] (grammar) a word that joins words, phrases or sentences, for example “and,” “but,” and “or”
  2. 2[countable] (formal) a combination of events, etc., that causes a particular result The conjunction of low inflation and low unemployment came as a very pleasant surprise.
  3. 3[countable, uncountable] (astronomy) the fact of stars, planets, etc., passing close together as seen from the earth The theory is that there was a rare conjunction of certain bright planets that created the image of the so-called “Star of Bethlehem”.
  4. Idioms
    in conjunction with(formal)
     
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    together with The police are working in conjunction with tax officers on the investigation. The system is designed to be used in conjunction with a word processing program.
See the Oxford Advanced Learner's Dictionary entry: conjunction