eruption /(?)/

e·rup·tion

eruption

n.
  1. The act of breaking out or bursting forth;
    All Paris was quiet . . . to gather fresh strength for the next day's eruption.
  2. That which bursts forth.
  3. A violent exclamation; ejaculation.
    He would . . . break out into bitter and passionate eruditions.
  4. The breaking out of pimples, or an efflorescence, as in measles, scarlatina, etc. (Med.)