Definition of boil noun from the Oxford Advanced American Dictionary

     

    boil

     noun
    noun
    NAmE//bɔɪl//
     
     
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  1. 1 [singular] a period of boiling; the point at which liquid boils Bring the soup to a boil. The sauce should thicken as it comes to a boil.
  2. 2 [countable] a painful, infected swelling under the skin which is full of a thick yellow liquid (calledpus)
See the Oxford Advanced Learner's Dictionary entry: boil