eruption

noun
erup·​tion | \ i-ˈrəp-shən How to pronounce eruption (audio) \

Definition of eruption

1a : an act, process, or instance of erupting
b : the breaking out of a rash on the skin or mucous membrane
2 : a product of erupting (such as a skin rash)

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Examples of eruption in a Sentence

a great eruption of glee as it suddenly dawned on her that she had won the eruption of the volcano Krakatoa was one of the most violent in global history

Recent Examples on the Web

But astronomers wanted to understand what's happening beneath those thick clouds to cause the storms and eruptions. Ashley Strickland, CNN, "Turbulent storm clouds disrupt Jupiter's colorful appearance," 23 Aug. 2019 Last Thursday, an eruption at a missile test site on Russia’s Arctic coast released radiation and killed at least seven people, including five nuclear workers. Alex Ward, Vox, "What caused Russia’s radioactive explosion last week? Possibly a nuclear-powered missile.," 13 Aug. 2019 Bumgarner came out barely ahead, thanks to a sixth-inning doubles eruption that lifted the Giants to a 3-2 victory over the A’s. John Shea, SFChronicle.com, "Giants beat A’s 3-2 in thriller at Oracle," 13 Aug. 2019 Scientists predict more eruptions in the coming century as the glaciers melt. Liz Alderman, New York Times, "What Worries Iceland? A World Without Ice. It Is Preparing.," 9 Aug. 2019 Like the outbreak of AIDS in the 1980s, polio’s eruption caused fear because its vectors of transmission were poorly understood, its virulence uncertain, and its repercussions unlike other illnesses. Alexander B. Joy, The Atlantic, "Candy Land Was Invented for Polio Wards," 28 July 2019 Trump's eruption gave her a chance to move beyond an irritating, and increasingly personal, split with the four congresswomen. Anchorage Daily News, "‘He always doubles down’: Inside the political crisis caused by Trump’s racist tweets," 21 July 2019 In 2002, an eruption occurred for the first time in 17 years. Eric Todisco, PEOPLE.com, "Volcano on Stromboli Erupts Killing Hiker During Walk with Falling Stones: The 'Sky Is Full of Ash'," 3 July 2019 The research adds to evidence that Ceres is geologically active, with a cratered surface shaped in part by eruptions not of molten rock — as on Earth — but of liquid water. David Freeman, NBC News, "Dwarf planet Ceres' 'lonely mountain' mystery has been solved," 22 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'eruption.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of eruption

1555, in the meaning defined at sense 1a

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More Definitions for eruption

eruption

noun
erup·​tion | \ i-ˈrəp-shən How to pronounce eruption (audio) \

Kids Definition of eruption

1 : an instance of a volcano exploding
2 : the bursting out of material from a volcano
3 : the sudden occurrence or appearance of something

eruption

noun
erup·​tion | \ i-ˈrəp-shən How to pronounce eruption (audio) \

Medical Definition of eruption

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

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