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English Lexicon

Hydrous

/ˈhaɪ.drəs/
adjectiveCEFR C1 (Advanced)Top #28400 frequency
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Comprehensive Definitions & Senses

2 senses
As adjective
  1. 1

    Containing water, typically chemically combined as water of crystallization or hydration.

    "Copper(II) sulfate exists in both anhydrous and hydrous forms."
  2. 2

    Containing water or associated with water in a general physical sense.

    "The hydrous layers of the mineral deposit showed significant weathering."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the Greek word hydr- (meaning water) combined with the chemical suffix -ous (possessing the quality of). It entered English scientific terminology in the early 19th century to describe minerals and chemical compounds containing water in their molecular structure.

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