- the emergence of a tooth as it breaks through the gum
- a sudden very loud noise
Synonym: bangclapblastbam
- a sudden violent spontaneous occurrence (usually of some undesirable condition)
- the outbreak of hostilities
Synonym: outbreakirruption
- the sudden occurrence of a violent discharge of steam and volcanic material
Synonym: volcanic eruption
- (of volcanos) pouring out fumes or lava (or a deposit so formed)
Synonym: eructationextravasation
- symptom consisting of a breaking out and becoming visible