aquo

1 of 2

adjective

aq·​uo

ˈa(ˌ)kwō,

ˈä-

: of or relating to compounds derived from water

lithium hydroxide LiOH is an aquo base

compare ammono

aquo-

2 of 2

combining form

1

: containing a molecule of water as part of a coordination complex

hexaquocobalt(III) chloride [Co(H₂O)₆]Cl₃

2

: derived from water

—in names of chemical compounds

aquocarbonic acid OC(OH)₂

compare ammono- sense 2

Word History

Etymology

Adjective

aquo-

Combining form

International Scientific Vocabulary, from Latin aqua water + International Scientific Vocabulary -o-

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now