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boil
Definition
Boiling is when water turns into steam.
When water boils, the bubbles that form on the surface of the water are actually steam bubbles.
Steam is hot water vapour.
How can the word be used?
The water is boiling.
Different forms of the word
Noun:
boil (a painful, pus-filled swelling on the skin).
Adjective:
boiling (at or near the boiling point).
Verb:
to boil (to heat a liquid until it reaches its boiling point).
to boil (to cook something in boiling water).
Etymology
The word "boil" has an interesting etymology. It comes from the Old English word bōlan, which means "to bubble up." The Old English word bōlan is thought to be related to the Proto-Germanic word bōlōn, which also means "to bubble up.".
Question
What does boil mean?