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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 assimilated form of ex "out" (see ex-) + rumpere "to break, rupture" (see rupture (n.)).

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Definitions of eruption from WordNet

eruption (n.)
the sudden occurrence of a violent discharge of steam and volcanic material;
Synonyms: volcanic eruption
eruption (n.)
symptom consisting of a breaking out and becoming visible;
eruption (n.)
(of volcanos) pouring out fumes or lava (or a deposit so formed);
eruption (n.)
a sudden violent spontaneous occurrence (usually of some undesirable condition);
Synonyms: outbreak / irruption
eruption (n.)
a sudden very loud noise;
Synonyms: bang / clap / blast / bam
eruption (n.)
the emergence of a tooth as it breaks through the gum;
From wordnet.princeton.edu