aqueous

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US, UK/ˈæ.kwi.əs/US, UK/ˈeɪ.kwi.əs/US, UK/ˈɑ.kwi.əs/Multicultural London English/ˈa.kwi.əs/

adjective

Of or relating to water.

Similar
sedimentary
Opposite
igneous
OriginLatin aqua ← Medieval Latin aqueus ← Middle French aqueux →
Less commonScrabble 16
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Word of the Day · Oct 12, 2026

Meanings

adjectiveaqueous (comparative more aqueous, superlative most aqueous)

comparative more aqueous · superlative most aqueous · alternative obsolete aquæous · alternative aquaeous · alternative obsolete aquous

  1. Of or relating to water.
  2. physicalchemistryConsisting mostly of water. Often used in the expression "aqueous solution".

    It was dissolved in distilled water to prepare the exact aqueous dose (900 mg Kg −1 body weight) for intragastrical injection [ 9 ].

    2015 June 28, Kholoud S. Ramadan, Salha A. Alshamrani, “Effects of Salvadora persica Extract on the Hematological and Biochemical Alterations against Immobilization-Induced Rats”, in Scientifica, volume 2015, →DOI

Synonyms & antonyms

adjectiveproduced by the action of water

Similar
sedimentary
Opposite
igneous
Also see
sedimentarywatery

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Middle Frenchaqueux
  2. Medieval Latinaqueus
  3. Latinaqua
  4. Englishaqueous

Formed from Latin aqua + -ous (or from Medieval Latin aqueus), partly the analogy of Middle French aqueux (itself actually from Latin aquosus). Or based on the analogy of Latin terreus from terra.

More words from Latin, Medieval Latin, Middle French

Full word history & related roots →

Translations

Ancient Greek ὑδατοειδής
  • ὑδατοειδής (hudatoeidḗs)consisting mainly of water
Arabic مَائِيّ
  • مَائِيّ (māʔiyy)consisting mainly of water
Bulgarian воден
  • воден (voden)consisting mainly of water
Chinese Mandarin 水性
  • 水性 (shuǐxìng)consisting mainly of water
Czech vodný
  • vodnýconsisting mainly of water
Finnish vesi-, vesiperäinen
  • vesi-consisting mainly of water
  • vesiperäinenconsisting mainly of water
  • vetinenconsisting mainly of water
French aqueux
  • aqueuxconsisting mainly of water
German wässrig
  • wässrigconsisting mainly of water
Hindi जलीय
  • जलीय (jalīya)consisting mainly of water
Irish uiscí
  • uiscíconsisting mainly of water
Italian acquoso
  • acquosoconsisting mainly of water
Latvian ūdeņains
  • ūdeņainsconsisting mainly of water
Malay berair, akueus
  • berairconsisting mainly of water
  • akueusconsisting mainly of water
Persian مائی, آبی
  • مائی (mâ'i)consisting mainly of water
  • آبی (âbi)consisting mainly of water
Polish wodny, wodnisty
  • wodnyconsisting mainly of water
  • wodnistyconsisting mainly of water
Portuguese aquoso, áqueo
  • aquosoconsisting mainly of water
  • áqueoconsisting mainly of water
Romanian apătos
  • apătosconsisting mainly of water
Russian во́дный, водяно́й
  • во́дный (vódnyj)consisting mainly of water
  • водяно́й (vodjanój)consisting mainly of water
  • водяни́стый (vodjanístyj)consisting mainly of water
Spanish ácueo, acuoso
  • ácueorelational
  • acuosorelational
  • aguosorelational
  • hídricorelational
  • acuosoconsisting mainly of water
Tagalog tubigin, ganhaw
  • tubiginconsisting mainly of water
  • ganhawconsisting mainly of water
Turkish sulu
  • suluconsisting mainly of water
Ukrainian во́дний, водяни́й
  • во́дний (vódnyj)consisting mainly of water
  • водяни́й (vodjanýj)consisting mainly of water
  • водяни́стий (vodjanýstyj)consisting mainly of water
Cite this entry
APA

aqueous. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/aqueous

MLA

“aqueous.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/aqueous. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “aqueous,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/aqueous.

Source: aqueous on Wiktionary, CC BY-SA 4.0.