geyser

  1. Noun.  (volcanology) A boiling natural spring which throws forth at frequent intervals jets of water, mud etc., driven up by the expansive power of steam.
  2. Noun.  (British, archaic) An instantaneous, and often dangerous, hot water heater using hot steam.
  3. Noun.  (South Africa) A domestic water boiler.

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This entry was last updated on RefTopia from its source on 3/20/2012.