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eruption

[ih-ruhp-shuh n] /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.
Origin
late Middle English
1375-1425
1375-1425; late Middle English < Latin ēruptiōn- (stem of ēruptiō). See erupt, -ion
Related forms
eruptional, adjective
noneruption, noun
preeruption, noun
reeruption, noun
Can be confused
eruption, irruption.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for re eruption

eruption

n.

early 15c., from Middle French éruption (14c.) and directly from Latin eruptionem (nominative eruptio) "a breaking out," noun of action from past participle stem of erumpere "break out, burst forth," from ex- "out" (see ex-) + rumpere "to break, rupture" (see rupture (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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re eruption in Medicine

eruption e·rup·tion (ĭ-rŭp'shən)
n.

  1. An appearance of a rash or blemish on the skin.

  2. Such a rash or blemish.

  3. The emergence of a tooth through the gums.


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.
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re eruption in Science
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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