Dictionary

water of hydration

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

water of hydration

noun    (Medical Dictionary)

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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