Eruption - Definition

n 1: the sudden occurrence of a violent discharge of steam and
volcanic material [syn: volcanic eruption, eruption]
2: symptom consisting of a breaking out and becoming visible
3: (of volcanos) pouring out fumes or lava (or a deposit so
formed) [syn: eruption, eructation, extravasation]
4: a sudden violent spontaneous occurrence (usually of some
undesirable condition); "the outbreak of hostilities" [syn:
outbreak, eruption, irruption]
5: a sudden very loud noise [syn: bang, clap, eruption,
blast, bam]
6: the emergence of a tooth as it breaks through the gum