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Definition of aqueous

aqueous

/ˈeɪkwiəs/
a · que · ous
Adverb:aqueously
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aqueous Lexical Profile

aqueous Game Scores & Validity

• adjective

1

Of, relating to, or resembling water; containing or dissolved in water.

Example

"In chemistry class, the students prepared an aqueous solution of sodium chloride before beginning the titration."

2

Formed by the action of water or consisting of sediment deposited by water (of rocks or geological strata).

Example

"The canyon walls revealed thick layers of aqueous rock that had accumulated on the floor of an ancient sea."

Synonyms
View all synonyms for aqueous
Antonyms
View all antonyms for aqueous

Word Nuance & Usage

'Aqueous' is primarily used in scientific and technical contexts for things composed of or dissolved in water (e.g., an aqueous solution), whereas 'aquatic' refers to living organisms or activities that take place in or on water.

• Rhymes for aqueous

• Nearby Words

aquatic
aquatics
aqueduct
aqueous
aquilegia
ar
ara

Word Origin & Etymology

Borrowed in the mid-17th century from Early Modern French 'aqueux' or Medieval Latin 'aqueus', from Latin 'aqua' meaning 'water'.

Cite this Entry

Wordmom. (2026). Definition of Aqueous. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/aqueous
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