geyser

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gey·ser / ˈgīzər/ • n. 1. a 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. Brit. a gas-fired water heater through which water flows as it is rapidly heated.• v. [intr.] (esp. of water or steam) gush or burst out with great force: yellow smoke geysered upward.

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