eruption

[ ih-ruhp-shuhn ]

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.

eruption

/ 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.

Other Words From

• e·ruption·al adjective
• none·ruption noun
• pree·ruption noun
• ree·ruption noun

Word History and Origins

Origin of eruption¹

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

Related Words

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