aqueous

adjective

aque·​ous ˈā-kwē-əs  ˈa- 

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

On the other side lay an aqueous solution that was rich with L-serine, an amino acid that is critical for protein synthesis and cell proliferation. —Gayoung Lee, Scientific American, 5 Feb. 2025

Human subjects whose mouths were attached to gustatory apparatuses that suctioned out oral cavity fluids and delivered aqueous solutions of Korean hot sauce and Hershey’s hot-chocolate powder exhibited the activation of overlapping as well as distinct brain regions in response to pleasure and pain. —Rafil Kroll-Zaidi, Harper's Magazine, 2 Sep. 2024

Veiled by this aqueous spillage — textured by the rough grain of the silk-screening process — the meteorites in the paintings seem not entirely solid. —Zoë Hopkins, New York Times, 2 Jan. 2025

The epilogue to the aqueous SOS runs a little soupy. —Craig Jenkins, Vulture, 7 Jan. 2025

Word History

Etymology

Medieval Latin aqueus, from Latin aqua

First Known Use

1646, in the meaning defined at sense 1a

Phrases Containing aqueous

• aqueous humor

Kids Definition

aqueous

adjective

aque·​ous ˈā-kwē-əs  ˈak-wē- 

1

a

: of, relating to, or resembling water

b

: made from, by, or with water

an aqueous solution

2

: of or relating to the aqueous humor

Medical Definition

aqueous

1 of 2 adjective

aque·​ous ˈā-kwē-əs  ˈak-wē- 

1

a

: of, relating to, or resembling water

an aqueous vapor

b

: made from, with, or by water

an aqueous solution

2

: of or relating to the aqueous humor

aqueous

2 of 2 noun

: aqueous humor