geyser

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geyser
  • noun
    A hot spring in which water intermittently boils, sending a tall column of water and steam into the air. (Precious metals are commonly precipitated with the siliceous sinters that form around hot springs and geysers.)
    A gas-fired water heater through which water flows as it is rapidly heated.
    verb
    (especially of water or steam) gush or burst out with great force. (yellow smoke geysered upward)

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