Definition of "eruption" in English

noun

1. A violent ejection, such as the spurting out of lava from a volcano.

   • a volcanic eruption

2. A sudden release of pressure or tension.

   • There was an eruption of joy at the final whistle.

3. An utterance, especially a sudden one; an ejaculation.

4. An infection of the skin resulting in a rash or blemishing.