water of hydration

noun phrase

Definition of water of hydration 

: water that is chemically combined with a substance to form a hydrate and can be expelled (as by heating) without essentially altering the composition of the substance

First Known Use of water of hydration

1864, in the meaning defined above

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The first known use of water of hydration was in 1864

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water of hydration

noun

Medical Definition of water of hydration 

: water that is chemically combined with a substance to form a hydrate and can be expelled (as by heating) without essentially altering the composition of the substance

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