Englishfor English speakers
boil
Verb
—
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.
boil
Noun
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If you bring something to a boil, you heat it to 100 °C.
—
A swelling on the skin that is filled with pus.
Lots of boils started appearing on his skin.
again
Adverb
—
Once more.
They didn't understand the answer, so they asked again.