eruption
noun
erup·tion
i-ˈrəp-shən 
1
a
: 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)
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
Sulfuric aerosols trapped in ice cores suggest that a truly massive volcanic eruption took place in 1809, followed by a succession of smaller eruptions that culminated in the staggering explosion of Mount Tambora in 1815.
—
Literary Hub, 27 Oct. 2025
To prepare for the inevitable, ESA is expanding its monitoring network and preparing for the 2031 Vigil mission — a new spacecraft that will sit at the sun-Earth L5 point to give earlier warnings of incoming solar eruptions.
—Samantha Mathewson, Space.com, 26 Oct. 2025
Adebayo only scored four points and didn’t hit another three-pointer after his first-quarter eruption, but the Heat still cruised to a blowout win behind its balanced attack.
—Anthony Chiang, Miami Herald, 25 Oct. 2025
The high-resolution view revealed that the flux ropes formed when the solar eruption slammed into the slower solar wind ahead of it.
—JSTOR Daily, 24 Oct. 2025
See All Example Sentences for eruption
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Literary Hub, 27 Oct. 2025
To prepare for the inevitable, ESA is expanding its monitoring network and preparing for the 2031 Vigil mission — a new spacecraft that will sit at the sun-Earth L5 point to give earlier warnings of incoming solar eruptions.
—Samantha Mathewson, Space.com, 26 Oct. 2025
Adebayo only scored four points and didn’t hit another three-pointer after his first-quarter eruption, but the Heat still cruised to a blowout win behind its balanced attack.
—Anthony Chiang, Miami Herald, 25 Oct. 2025
The high-resolution view revealed that the flux ropes formed when the solar eruption slammed into the slower solar wind ahead of it.
—JSTOR Daily, 24 Oct. 2025
See All Example Sentences for eruption
Cite this Entry
“Eruption.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eruption. Accessed 30 Oct. 2025.
Copy CitationKids Definition
eruption
noun
erup·tion
i-ˈrəp-shən
1
: an act, process, or instance of erupting
2
: a product (as a skin rash) of erupting
Medical Definition
eruption
noun
erup·tion
i-ˈrəp-shən
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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