water core

noun

Definition of water core

  1. 1 :  a hollow core through which water circulates in a founding mold and which is used (as in casting a cannon) for cooling the interior of a casting more rapidly than the outside while the metal is solidifying

  2. 2a :  a physiological disease of fruits (as apples) in which parts of the inner tissues especially close to the core become water-soaked, hard, and glassy b :  a similar disease of turnips caused by boron deficiency

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