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Pronunciation change

Verb change

Plain form
boil

Third-person singular
boils

Past tense
boiled

Past participle
boiled

Present participle
boiling

 
a boiling pot
  1. (transitive & intransitive) To get to a temperature that a liquid lets out bubbles and gas at.
    Water boils at 100°C.
    Anne boiled the water in the kettle.

Noun change

Singular
boil

Plural
boils

  1. If you bring something to a boil, you heat it to 100 °C.
  2. A swelling on the skin that is filled with pus.
    Lots of boils started appearing on his skin.