资料来源 : pyDict

爆发,火山灰,出疹

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Eruption \E*rup"tion\, n. [L. eruptio, fr. erumpere, eruptum, to
   break out; e out + rumpere, to break: cf. F. ['e]ruption. See
   {Rupture}.]
   1. 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.

                All Paris was quiet . . . to gather fresh
                strength for the next day's eruption. --W.
                                                  Irving.

   2. That which bursts forth.

   3. A violent exclamation; ejaculation.

            He would . . . break out into bitter and passionate
            eruditions.                           --Sir H.
                                                  Wotton.

   4. (Med.) The breaking out of pimples, or an efflorescence,
      as in measles, scarlatina, etc.

资料来源 : WordNet®

eruption
     n 1: the sudden occurrence of a violent discharge of steam and
          volcanic material [syn: {volcanic eruption}]
     2: symptom consisting of a breaking out and becoming visible
     3: (of volcanos) pouring out fumes or lava (or a deposit so
        formed) [syn: {eructation}, {extravasation}]
     4: a sudden violent spontaneous occurrence (usually of some
        undesirable condition); "the outbreak of hostilities"
        [syn: {outbreak}, {irruption}]
     5: a sudden very loud noise [syn: {bang}, {clap}, {blast}, {loud
        noise}]
     6: the emergence of a tooth as it breaks through the gum