- The act of breaking out or bursting forth; as: (a) A
violent throwing out of flames, lava, etc., as from a volcano of a
fissure in the earth's crust. (b) A sudden and overwhelming hostile
movement of armed men from one country to another. Milton. (c) A
violent commotion. - That which bursts forth. - A violent exclamation; ejaculation. - The breaking out of pimples, or an efflorescence, as in
measles, scarlatina, etc.
Meaning of 'eruption' (Princeton's WordNet)
1 . eruption
[ n]
Meaning (1): - a sudden violent spontaneous occurrence (usually of some undesirable condition)