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

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 Word Forms

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

Word History and Origins

Origin of eruption¹

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

Example Sentences

Although its magma held a high amount of gas and was capable of a major explosion, the eruption initially produced a slow-moving lava flow inside the cone.

Read more on Science Daily

After an electric 20-minute bidding war, Barker brought his hammer down to an eruption of applause.

Read more on The Wall Street Journal

One of the lead researchers, Dr Stephen Hicks from UCL, said combining physics and machine learning in this way could help forecast volcanic eruptions.

Read more on BBC

Clouds of ash and gas rise above Mount Semeru on Indonesia's main island of Java after eruptions force officials to raise the alert status to its highest level.

Read more on Barron's

At the same time, America has seen an eruption of antisemitism, on the left and more recently on the right.

Read more on The Wall Street Journal

Related Words

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