(of volcanos) pouring out fumes or lava (or a deposit so formed)
the sudden occurrence of a violent discharge of steam and volcanic material
a sudden violent spontaneous occurrence (usually of some undesirable condition)
a sudden very loud noise
symptom consisting of a breaking out and becoming visible
the emergence of a tooth as it breaks through the gum
a sudden violent spontaneous occurrence (usually of some undesirable condition)
a sudden sharp increase in the relative numbers of a population
a sudden violent entrance; a bursting in
