eruption
[ ih-ruhp-shuh n ]
/ ɪˈrʌp ʃən /
noun
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.
Pathology.
- the breaking out of a rash or the like.
- a rash or exanthem.
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Nearby words
eructation, erudite, erudition, erumpent, erupt, eruption, eruptive, eruptive xanthoma, eruv, erv, ervil
Origin of eruption
Related forms
e·rup·tion·al, adjectivenon·e·rup·tion, nounpre·e·rup·tion, nounre·e·rup·tion, nounCan be confused
eruption irruptionDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for eruption
Medicine definitions for eruption
eruption
[ ĭ-rŭp′shən ]
n.
An appearance of a rash or blemish on the skin.
Such a rash or blemish.
The emergence of a tooth through the gums.
Related forms
e•rup′tive (-tĭv) adj.The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for eruption
eruption
[ ĭ-rŭp′shən ]
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.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.