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

For decades, these first responders used PFAS-laden aqueous film-forming foam and turnout gear during training and emergency responses. —Jonathan Sharp, Baltimore Sun, 23 Dec. 2024

Its face of polished rock crystal bears tiny bubbles for aqueous intrigue. —Sam Cochran, Architectural Digest, 18 Dec. 2024

Tong’s suits address two sources of the chemicals: consumer products like food packing, clothing, cosmetics, cookware and housewares; and the chemical used in firefighting, called aqueous film forming foam. —Don Stacom, Hartford Courant, 25 Jan. 2024

Metals also oxidize in the aqueous environment of the brain, which can lead them to degrade over time. —Emily Mullin, WIRED, 26 Sep. 2024

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