eruption

definition: the emergence of a tooth as it breaks through the gum
example:
speech part: noun
synonyms:
definition: a sudden very loud noise
example:
speech part: noun
synonyms: blast
definition: a sudden violent spontaneous occurrence (usually of some undesirable condition)
example:
speech part: noun
synonyms: irruption
definition: the sudden occurrence of a violent discharge of steam and volcanic material
example:
speech part: noun
synonyms:
definition: (of volcanos) pouring out fumes or lava (or a deposit so formed)
example:
speech part: noun
synonyms: eructation
definition: symptom consisting of a breaking out and becoming visible
example:
speech part: noun
synonyms:

How eruption is being used?