water of crystallization

noun

, Chemistry.

1. water of hydration, formerly thought necessary to crystallization: now usually regarded as affecting crystallization only as it forms new molecular combinations.

water of crystallization

noun

1. water present in the crystals of certain compounds. It is chemically combined in stoichiometric amounts, usually by coordinate or hydrogen bonds, but can often be easily expelled

water of crystallization

1. Water in a crystal structure that is chemically combined with the other elements in the crystal. The water of crystallization is necessary for the maintenance of crystalline properties, but it can be removed by heat.

Word History and Origins

Origin of water of crystallization¹

First recorded in 1785–95