- 1[countable, uncountable] an occasion when a volcano suddenly throws out burning rocks, smoke, etc. a major volcanic eruption Wordfinderdisasteravalanche, cyclone, disaster, earthquake, eruption, flood, hurricane, landslide, tornado, tsunami
- 2[countable] an occasion when something starts happening, suddenly and violently an eruption of violent protest
- 3[countable] a sudden expression of very strong feelings, especially by shouting loudly eruptions of explosive rage
- 4[countable] the sudden appearance of spots, etc. on your skin skin rashes and eruptions
Check pronunciation: eruption
