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

Medical Dictionary

vacuole

play
noun vac·u·ole \ˈvak-yə-ˌwōl\

Medical Definition of vacuole

  1. 1:  a small cavity or space in the tissues of an organism containing air or fluid

  2. 2:  a cavity or vesicle in the cytoplasm of a cell containing fluid



Illustration of vacuole


Learn More about vacuole


Seen and Heard

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

WORD OF THE DAY

immature or lacking adult sophistication

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

prompt oily angry maudlin
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