eruption

American  

[ih-ruhp-shuhn] / ɪˈrʌp ʃən /

noun

1. an issuing forth suddenly and violently; outburst; outbreak.

2. Geology. the ejection of molten rock, steam, etc., as from a volcano or geyser.

3. something that is erupted or ejected, as molten rock, volcanic ash, or steam.

4. Pathology.

   1. the breaking out of a rash or the like.

   2. a rash or exanthem.

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eruption Scientific  

/ ĭ-rŭp′shən /

1. The release of gas, ash, molten materials, or hot water into the atmosphere or onto the Earth's surface from a volcano or other opening in the Earth's surface.

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Other Word Forms

• eruptional adjective
• noneruption noun
• preeruption noun
• reeruption noun

Etymology

Origin of eruption

1375–1425; late Middle English < Latin ēruptiōn- (stem of ēruptiō ). See erupt, -ion

Example Sentences

This effect is dramatic on Io, Jupiter's innermost large moon, where intense gravitational stretching drives constant volcanic eruptions.

From Science Daily

"They call it a meltdown but for me, it feels like an eruption," she said.

From BBC

In popular culture, as Mr. Tuck observes, the eruption is usually represented as all-consuming.

From The Wall Street Journal

Overall, the results challenge the long-standing idea that nova eruptions are single, impulsive events.

From Science Daily

Scientists link the catastrophe to intense greenhouse conditions, oxygen loss in the oceans, widespread acidification, and massive volcanic eruptions tied to the breakup of the ancient Pangaean supercontinent.

From Science Daily

Related Words

• blast
• breakout
• burst
• explosion
• flare-up
• outbreak
• outburst