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geyser

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Definition of geyser

noun

  • 1a hot spring in which water intermittently boils, sending a tall column of water and steam into the air.
  • a jet or stream of liquid:the pipe sent up a geyser of sewer water into the street
  • 2 /ˈgiːzə/ British a gas-fired water heater through which water flows as it is rapidly heated.
  • South African a hot-water storage tank with an electric heating element.

verb

[no object, with adverbial of direction]
  • (especially of water or steam) gush or burst out with great force:a fissure opened and yellow smoke geysered upward

Origin:

late 18th century: from Icelandic Geysir, the name of a particular spring in Iceland; related to geysa 'to gush'

geyser in other Oxford dictionaries

Definition of geyser in the US English dictionary
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