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1
a
: of, relating to, or resembling water
b
: made from, with, or by water
an aqueous solution
2
medical
: of or relating to the aqueous humor
Examples of aqueous in a Sentence
Recent Examples on the Web
Since its creation, PFAS-containing aqueous film-forming foam has been installed on all military aircraft, civil ships, and airplanes.
—Lana Barhum, Verywell Health, 18 Oct. 2024
Your eye doctor will then determine whether dryness is linked to insufficient tears (aqueous deficient dry eye) or insufficient oil in the tears (evaporative dry eye).
—Maxine Lipner, Verywell Health, 11 Sep. 2024
Geopolymer cements are usually activated in an aqueous solution that is either alkaline or acidic.
—Erik Kobayashi-Solomon, Forbes, 20 Sep. 2024
The refractive index of those aqueous components is low, while the refractive index of the proteins and lipids is high.
—Jacek Krywko, Ars Technica, 16 Sep. 2024
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Word History
Etymology
Medieval Latin aqueus, from Latin aqua
First Known Use
1646, in the meaning defined at sense 1a
Phrases Containing aqueous
Dictionary Entries Near aqueous
Cite this Entry
“Aqueous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aqueous. Accessed 22 Nov. 2024.
Kids Definition
Medical Definition
aqueous
2 of 2 nounMore from Merriam-Webster on aqueous
Thesaurus: All synonyms and antonyms for aqueous
Nglish: Translation of aqueous for Spanish Speakers
Britannica English: Translation of aqueous for Arabic Speakers
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