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eruption Syllabification: e·rup·tion
Pronunciation: /əˈrəpSH(ə)n/

Definition of eruption in English:


1An act or instance of erupting: the eruption of Vesuvius magma is stored in crustal reservoirs before eruption
More example sentences
  • Most of Mars' surface was shaped later by meteorite impacts, volcanic eruptions and erosion by dust and wind.
  • This record has been obscured on the Earth by billions of years of rain, wind, erosion, volcanic eruptions, mountain building, and plate tectonics.
  • Geochemical analyses of these clasts show that the eruption tapped two chemically distinct rhyolitic magmas.
discharge, ejection, emission;
1.1A sudden outbreak of something, typically something unwelcome or noisy: a sudden eruption of street violence
More example sentences
  • Many other instances of alleged inaccuracy, distortion and misrepresentation have remained on file and I may well have ignored them but for the sudden eruption of complaints in recent months.
  • A sudden eruption in the manager of common sense on tactical deployment, a rediscovery of cohesive drive among the players, and England could yet bid convincingly for glory in the summer.
  • The eruption of street violence also made clear to foreign investors that Indonesia was unsafe and that political interests remain on top of economic ones.
1.2A spot, rash, or other prominent and reddish mark appearing suddenly on the skin.
Example sentences
  • A common cause of allergies, rashes, skin eruptions and more serious autoimmune problems is leaky gut syndrome.
  • Skin eruptions resembling eczema are reported regularly.
  • Logically, a blister is an abnormal eruption of the skin that eventually goes away.
rash, outbreak, breakout, inflammation


Late Middle English: from Old French, or from Latin eruptio(n-), from the verb erumpere (see erupt).

  • corrupt from Middle English:

    Corrupt comes from Latin corrumpere ‘mar, bribe, destroy’, from cor- ‘altogether’ and rumpere ‘to break’. Also from rumpere are disrupt (Late Middle English) ‘break apart’; eruption (Late Middle English) a breaking out; interrupt (Late Middle English) ‘to break between’. See words at rut

Words that rhyme with eruption

abruption, corruption, disruption, interruption

Definition of eruption in:

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Word of the day innocuous
Pronunciation: iˈnäkyo͞oəs
not harmful or offensive