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Synonyms

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.

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.

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.