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

Seama says, "Due to its extent and location it is clear that this is in fact the same magma reservoir as in the previous eruption."

From Science Daily

The hillside behind her was sprinkled with desert golds, but the display fell short of the riotous eruption of flowers posted on social media.

From Los Angeles Times

The findings show that New Zealand's wildlife was heavily shaped by dramatic climate shifts and powerful volcanic eruptions.

From Science Daily

The platinum spike may have come from a volcanic fissure eruption in Iceland rather than an object from space.

From Science Daily

As a result, improving the reliability of eruption forecasts is a major goal for scientists studying volcanic hazards.

From Science Daily

Related Words

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