Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A solid compound containing water molecules combined in a definite ratio as an integral part of the crystal.
  • transitive v. To rehydrate.
  • transitive v. To supply water to (a person, for example) in order to restore or maintain fluid balance: "Cold water is the fastest and safest way to hydrate an ordinary athlete” ( Jane E. Brody).
  • intransitive v. To become a hydrate.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A solid compound containing or linked to water molecules.
  • n. Water.
  • v. To take up, consume or become linked to water.
  • v. To drink water.

from the GNU version of the Collaborative International Dictionary of English

  • n. A compound formed by the union of water with some other substance, generally forming a neutral body, as certain crystallized salts.
  • n. A substance which does not contain water as such, but has its constituents (hydrogen, oxygen, hydroxyl) so arranged that water may be eliminated; hence, a derivative of, or compound with, hydroxyl; hydroxide
  • transitive v. To form into a hydrate; to combine with water.

from The Century Dictionary and Cyclopedia

  • To combine or impregnate with water.
  • To form into a hydrate.
  • n. In chem., a compound of a class which may be regarded as formed upon the same type as water, or by the substitution of a metallic atom, or a basic radical, for one of the atoms of hydrogen in water: for example, HOH, water; KOH, potassium hydrate; NH4OH, ammonium hydrate.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. any compound that contains water of crystallization
  • v. supply water or liquid to in order to maintain a healthy balance
  • v. cause to be hydrated; add water or moisture to
  • v. become hydrated and combine with water

Etymologies

From French hydrate. (Wiktionary)

Examples

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