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

eruption

play
noun erup·tion \i-ˈrəp-shən\

Definition of eruption

  1. 1 a :  an act, process, or instance of erupting b :  the breaking out of a rash on the skin or mucous membrane

  2. 2 :  a product of erupting (as a skin rash)



Examples of eruption in a sentence

  1. <a great eruption of glee as it suddenly dawned on her that she had won>

  2. <the eruption of the volcano Krakatoa was one of the most violent in global history>



1555

First Known Use of eruption

1555

Rhymes with eruption


ERUPTION Defined for Kids

eruption

play
noun erup·tion \i-ˈrəp-shən\

Definition of eruption for Students

  1. 1 :  an instance of a volcano exploding

  2. 2 :  the bursting out of material from a volcano

  3. 3 :  the sudden occurrence or appearance of something




Medical Dictionary

eruption

play
noun erup·tion \i-ˈrəp-shən\

Medical Definition of eruption

  1. 1:  an act, process, or instance of erupting <the eruption of the tooth from the gum>; specifically :  the breaking out of an exanthem or enanthem on the skin or mucous membrane (as in measles)

  2. 2:  something produced by an act or process of erupting: asa:  the condition of the skin or mucous membrane caused by eruptingb:  one of the lesions (as a pustule) constituting this condition





Seen and Heard

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

WORD OF THE DAY

of striking ability or excellence

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

two-chairs-on-a-pier-by-the-ocean-in-summer

Which of the following words means “of or relating to summer”?

vernal hiemal brumal estival
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