hydrous

adj. watery, containing water

Hydrate is a term used in inorganic chemistry and organic chemistry to indicate that a substance contains water.In organic chemistry, a hydrate is a compound formed by the addition of water to a host molecule. Thus ethanol could be considered to be the hydrate of ethylene. These substances do not contain water as such, but have their constituents (hydrogen, oxygen, hydroxyl) so arranged that water may be eliminated. Hence, hydrates are derivatives of, or compounds with, hydroxyl. One such example is chloral hydrate.
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Adjective
1. containing combined water (especially water of crystallization as in a hydrate)
(synonym) hydrated
(antonym) anhydrous
(classification) chemistry, chemical science

(a.)
Containing water; watery.
  

(a.)
Containing water of hydration or crystallization.
  

hydrous /'haidrəs/
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