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Meaning of eruption

e•rup•tion

Pronunciation: (i-rup'shun), [key]
— n.
  1. an issuing forth suddenly and violently; outburst; outbreak.
  2. the ejection of molten rock, steam, etc., as from a volcano or geyser.
  3. something that is erupted or ejected, as molten rock, volcanic ash, or steam.
    1. the breaking out of a rash or the like.
    2. a rash or exanthem.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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