eruption
NounUS[ee-ruhp-shuhn]/ˌiˈrʌpʃən/3 syllablesalso [ir-uhp-shuhn] /ˌɪˈrʌpʃən/
Open English WordNet
Noun (6)eruptions
- the sudden occurrence of a violent discharge of steam and volcanic materialSynonyms: volcanic eruptionType of dischargeKinds Plinian eruption
- symptom consisting of a breaking out and becoming visibleType of symptomKinds rash, eczema vaccinatum, enanthem, exanthem
- (of volcanoes) pouring out fumes or lava (or a deposit so formed)Synonyms: eructationextravasationType of action, activity
- a sudden violent spontaneous occurrence (usually of some undesirable condition)“the outbreak of hostilities”Synonyms: outbreakirruptionType of happening, occurrenceKinds epidemic, recrudescence
- a sudden very loud noiseSynonyms: bangclapblastbamType of noiseKinds water hammer
- the emergence of a tooth as it breaks through the gumType of emergence, egress
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Webster's Dictionary (1913)
e·rup′tion noun
Origin: L. eruptio, fr. erumpere, eruptum, to break out; e out + rumpere, to break: cf. F. éruption. See Rupture.
1. The act of breaking out or bursting forth; as: (a) A violent throwing out of flames, lava, etc., as from a volcano or a fissure in the earth's crust. (b) A sudden and overwhelming hostile movement of armed men from one country to another. John Milton (c) A violent commotion.
All Paris was quiet... to gather fresh strength for the next day's eruption.— Washington Irving
2. That which bursts forth.
3. A violent exclamation; ejaculation.
He would... break out into bitter and passionate eruditions.— Sir Henry Wotton
4. Medicine The breaking out of pimples, or an efflorescence, as in measles, scarlatina, etc.
Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54