unsaturate
/ˌʌnsætˈreɪt, ˌʌnsætˈreɪt/Definitions
1. verb
to remove or reduce the amount of fat or oil from (something)
“The chef unsaturated the sauce to make it healthier.”
2. verb
to make (something) less saturated or less dense
“The air unsaturated as it rose above the clouds.”
3. verb
to deprive (someone or something) of a particular quality or feeling
“The news unsaturated the audience’s excitement about the new movie.”
4. transitive verb
to reduce the amount of a particular substance (such as carbon dioxide) in the atmosphere
“The new technology helps to unsaturate the atmosphere of greenhouse gases.”