: not aqueous : of, relating to, or having the characteristics of a liquid other than water
a nonaqueous solvent
: made from, with, or by means of a liquid other than water
nonaqueous solutions

Word History

First Known Use

1857, in the meaning defined above

Time Traveler
The first known use of nonaqueous was in 1857

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Cite this Entry

“Nonaqueous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nonaqueous. Accessed 7 Jul. 2026.

Medical Definition

nonaqueous

adjective
: not aqueous : made from, with, or by means of a liquid other than water
nonaqueous solutions
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