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

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

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

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