- an issuing forth suddenly and violently; outburst; outbreak.
- Geology. the ejection of molten rock, steam, etc., as from a volcano or geyser.
- something that is erupted or ejected, as molten rock, volcanic ash, or steam.
- the breaking out of a rash or the like.
- a rash or exanthem.
Origin of eruption
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for eruption
The rage that Marvin has embodied, a man on the edge of eruption, is always a badly wounded man.The Story Behind Lee Marvin’s Liberty Valance Smile
January 3, 2015
The animals are supposedly evacuating themselves in anticipation of an eruption at the park, which sits on a huge volcanic system.Turns Out, a Video of Bison Purportedly Fleeing Yellowstone Is a Hoax
April 8, 2014
Economists will long debate the macro-economic effects of this eruption of federal funds.David's Bookclub: The New New Deal
December 1, 2012
If the eruption lasts for years, will we be in a new giant game of weather roulette?Flying Into the Threat
April 18, 2010
Gillibrand exclaims, punctuating her eruption with a brisk swat to my kneecap.Gillibrand Fights Back
January 18, 2010
Evidently masons were at work there when the eruption stopped them.Buried Cities: Pompeii, Olympia, Mycenae
As before, the valley yawned like the living threat of a volcano in eruption.The Hammer of Thor
Charles Willard Diffin
Or suppose we take the other theory, that it is an eruption from some sun, ours or another.Spawn of the Comet
Harold Thompson Rich
He can tell when there is going to be an eruption, and always notifies the people.
They know they're doomed, for every few days there's an eruption now.
Word Origin and History for eruption
Online Etymology Dictionary, © 2010 Douglas Harper
- An appearance of a rash or blemish on the skin.
- Such a rash or blemish.
- The emergence of a tooth through the gums.
- 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.