un hydrated

hydrated

[hahy-drey-tid]
adjective
1.
chemically combined with water in its molecular form.
2.
(of paper pulp) beaten until gelatinous for making into water-resistant paper.

Origin:
1800–10; hydrate + -ed2

nonhydrated, adjective
unhydrated, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
hydrated (ˈhaɪdreɪtɪd)
 
adj
(of a compound) chemically bonded to water molecules

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

hydrate
1802, "compound of water and another chemical," from Fr. hydrate, coined by Fr. chemist Joseph-Louis Proust (1754-1826) from Gk. hydr-, stem of hydor "water" (see water (n.1)). The verb is first attested 1850.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

hydrate hy·drate (hī'drāt')
n.
A solid compound containing water molecules combined in a definite ratio as an integral part of a crystal. v. hy·drat·ed, hy·drat·ing, hy·drates

  1. To rehydrate.

  2. To supply water to a person or thing in order to restore or maintain fluid balance.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
hydrate   (hī'drāt')  Pronunciation Key 
Noun   A compound produced by combining a substance chemically with water. Many minerals and crystalline substances are hydrates.

Verb  
  1. To combine a compound with water, especially to form a hydrate.

  2. To supply water to a person in order to restore or maintain a balance of fluids.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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