Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary
1

boil

play
verb \ˈbȯi(-ə)l\

Simple Definition of boil

  • : to become so hot that bubbles are formed in a liquid and rise to the top

  • : to heat (a liquid or a container with liquid in it) so that bubbles are formed and rise to the top

  • : to cook (something) in water that is boiling

Source: Merriam-Webster's Learner's Dictionary

Full Definition of boil

  1. intransitive verb
  2. 1 a :  to come to the boiling point b :  to generate bubbles of vapor when heated —used of a liquid c :  to cook in boiling water

  3. 2 :  to become agitated :  seethe

  4. 3 :  to be moved, excited, or stirred up

  5. 4 a :  to rush headlong b :  to burst forth

  6. 5 :  to undergo the action of a boiling liquid

  7. transitive verb
  8. 1 :  to subject to the action of a boiling liquid

  9. 2 :  to heat to the boiling point

  10. 3 :  to form or separate (as sugar or salt) by boiling

boilable

play \ˈbȯi-lə-bəl\ adjective

Examples of boil in a sentence

  1. Keep the temperature low enough so the mixture will not boil.

  2. a pot of boiling water

  3. french fries cooked in boiling oil



Origin and Etymology of boil

Middle English, from Anglo-French buillir, boillir, from Latin bullire to bubble, from bulla bubble


First Known Use: 13th century


2

boil

noun

Definition of boil

  1. :  a localized swelling and inflammation of the skin resulting from infection of a hair follicle and adjacent tissue, having a hard central core, and forming pus



Origin and Etymology of boil

Middle English, alteration of bile, from Old English bȳl; akin to Old High German pūlla bladder


First Known Use: 15th century


3

boil

noun

Definition of boil

  1. 1 :  the act or state of boiling

  2. 2 :  a swirling upheaval (as of water)

  3. 3 :  a boiled dish of seafood, vegetables, and seasonings <a crab boil>; also :  a gathering at which this dish is served



15th Century

First Known Use of boil

15th century

Other Chemical Engineering Terms



BOIL Defined for Kids

1

boil

play
noun \ˈbȯil\

Definition of boil for Students

  1. :  a red painful lump in the skin that contains pus and is caused by infection




2

boil

play
verb

Definition of boil for Students

boiled

boiling

  1. 1 :  to heat or become heated to the temperature (boiling point) at which bubbles rise and break at the surface <boil water>

  2. 2 :  to cook or become cooked in boiling water <boil eggs> <Let the stew boil slowly.>

  3. 3 :  to feel angry or upset <The crowd boiled in frustration.>




3

boil

play
noun

Definition of boil for Students

  1. :  the state of something that is boiling <Bring the water to a boil.>




Medical Dictionary

boil

play
noun \ˈbȯi(ə)l\

Medical Definition of boil

  1. :  a localized swelling and inflammation of the skin resulting from usually bacterial infection of a hair follicle and adjacent tissue, having a hard central core, and forming pus—called also furuncle





Seen and Heard

What made you want to look up boil? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a very small amount

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alphabet-pasta-spelling-help

Which is the correct spelling?

acommadate accommodate acommodate accomodate
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ