Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “boil”

See all translations

boil

verb [I/T]  /bɔɪl/ us  

boil verb [I/T] (HEAT)

(of a liquid) to start to turn into a gas because of being heated, or to cause a liquid to turn into a gas in this way: [I] The water is boiling. [T] We’d better boil this water before we drink it. If you say that a container has boiled, the liquid in it has started to turn into a gas: [I] The pot’s beginning to boil. If food boils, or you boil food, it is cooked by being put in water that is heated until the water is in the process of turning into a gas: [T] I boiled some potatoes for dinner.

boil

noun  /bɔɪl/ us  

boil noun (SWELLING)

[C] a painful, red swelling on the skin that is filled with pus (= a yellow liquid from an infection)

boil noun (HEAT)

[U] If you bring something to a boil, or let something come to a boil, you heat it until it starts to turn into a gas: Bring the water to a boil, then add the pasta.
(Definition of boil from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of boil?
Add Cambridge dictionaries to your browser to your website

Definitions of “boil” in other dictionaries

Word of the Day

past participle

the form of a verb, usually made by adding -ed, used in some grammatical structures such as the passive and the present perfect

Word of the Day

Euphemisms (Words used to Avoid Offending People)

by Kate Woodford,
March 04, 2015
​​​ We recently looked at the language that we use to describe lies and lying. One area of lying that we considered was ‘being slightly dishonest, or not speaking the complete truth’. One reason for not speaking the complete truth is to avoid saying something that might upset or offend people. Words and

Read More 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More