unsaturated
adjective
un·sat·u·rat·ed
ˌən-ˈsa-chə-ˌrā-təd
: not saturated: such as
a
: capable of absorbing or dissolving more of something
an unsaturated solution
b
: able to form products by chemical addition
especially
: having at least one double or triple bond between carbon atoms in a hydrocarbon chain
—used especially of an oil, fat, or fatty acid
unsaturated fatty acids
see also unsaturated fat compare saturated entry 1 sense 2b
Cite this Entry
“Unsaturated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsaturated. Accessed 1 Sep. 2026.
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