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concertina - definition and synonyms


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noun [countable] concertina pronunciation in British English /ˌkɒnsə(r)ˈtiːnə/
Word Forms
  1. a musical instrument similar to an accordion that you play by pressing buttons on each side and pushing the two sides together
    1. a.
      used about things with parts that can be squeezed or pressed together like the sides of a concertina

Open Dictionary


the activity of exploring abandoned buildings and other manmade structures

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