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noun [countable] [usually singular] inside pronunciation in British English /ˈɪnˌsaɪd/ 
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singularinside
pluralinsides
  1. 1
    the inner part of something
    the inside of something:

    I had never seen the inside of a prison before.

  2. 2
    the part of something that faces inwards
    the inside of something:

    There were scratches all down the inside of my leg.

    We need to clean the inside of the windows as well as the outside.

protologism

a new word or phrase invented in the hope that it will become generally used

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garbage patch

a collection of debris, mostly consisting of plastic, which moves around in the sea …

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