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water of crystallization

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

First recorded in 1785–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for water of crystallization

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
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

water of crystallization in Medicine

water of crystallization

n.
  1. Water in chemical combination with a crystal, necessary for the maintenance of crystalline properties but capable of being removed by sufficient heat.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

water of crystallization in Science

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.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.