definition of
eruption

[1] #1 eruption n. [volcanic eruption] the sudden occurrence of a violent discharge of steam and volcanic material. wn

[2] #2 eruption n. symptom consisting of a breaking out and becoming visible. wn

[3] #3 eruption n. [eructation, extravasation] (of volcanos) pouring out fumes or lava (or a deposit so formed). wn

[4] #4 eruption n. [outbreak, irruption] a sudden violent spontaneous occurrence (usually of some undesirable condition); "the outbreak of hostilities". wn

[5] #5 eruption n. [bang, clap, blast, bam] a sudden very loud noise. wn