eruption

noun
1
an occasion when a volcano suddenly throws out burning rocks, smoke, etc.
فوران, انفجار آتشفشانی
2
an occasion when something starts happening, suddenly and violently
انفجار, فوران
an eruption of violent protest
3
a sudden expression of very strong feelings, especially by shouting loudly
اظهار شدید, بروز
eruptions of explosive rage
4
the sudden appearance of spots, etc. on your skin
بروز, بروز ناگهانی علائم پوستی, ظهور
skin rashes and eruptions