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eruption

3 syllables

Quick answer

As a noun, eruption means a violent ejection, such as the spurting out of lava from a volcano.

Meanings of eruption

9 meanings

A violent ejection, such as the spurting out of lava from a volcano.
“a volcanic eruption”
A sudden release of pressure or tension.
“There was an eruption of joy at the final whistle.”
An infection of the skin resulting in a rash or blemishing.
The sudden occurrence of a violent discharge of steam and volcanic material
Similar: volcanic eruption
Symptom consisting of a breaking out and becoming visible
(of volcanoes) pouring out fumes or lava (or a deposit so formed)
Similar: eructation, extravasation
A sudden violent spontaneous occurrence (usually of some undesirable condition)
“the outbreak of hostilities”
Similar: outbreak, irruption
A sudden very loud noise
Similar: bang, clap, blast, bam
The emergence of a tooth as it breaks through the gum