Definition of mothball noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈmɒθbɔːl//
; NAmE NAmE//ˈmɔːθbɔːl//
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  • a small white ball made of a chemical with a strong smell, used for keeping moths away from clothes
  • Idioms stored and not in use, often for a long time The plan has been put in mothballs.
    See the Oxford Advanced American Dictionary entry: mothball

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