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
Both years saw eruptions at the Crater Peak vent, located two miles south of the volcano’s summit.
—
Maria Aguilar Prieto, CNN, 15 Feb. 2025
This week, lava fountains from Kilauea's north vent reached heights of 330 feet during the early hours of the eruption, with a slow effusion of lava from the south vent later.
—Jeanine Santucci, USA TODAY, 14 Feb. 2025
However, an eruption at the summit is less likely, according to officials, who said that hasn’t happened in more than 5,000 years.
—Sara Schilling, Sacramento Bee, 12 Feb. 2025
One of the largest volcanic eruptions in history, around 1600 BC, formed Santorini in its current shape.
—Reuters, NBC News, 3 Feb. 2025
See All Example Sentences for eruption
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Maria Aguilar Prieto, CNN, 15 Feb. 2025
This week, lava fountains from Kilauea's north vent reached heights of 330 feet during the early hours of the eruption, with a slow effusion of lava from the south vent later.
—Jeanine Santucci, USA TODAY, 14 Feb. 2025
However, an eruption at the summit is less likely, according to officials, who said that hasn’t happened in more than 5,000 years.
—Sara Schilling, Sacramento Bee, 12 Feb. 2025
One of the largest volcanic eruptions in history, around 1600 BC, formed Santorini in its current shape.
—Reuters, NBC News, 3 Feb. 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 28 Feb. 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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