What is remediate?

Some articles on remediate:

Dense Non-aqueous Phase Liquid
... into an aquifer makes them difficult to locate and remediate ... considerable effort has been extended to improve our ability to locate and remediate DNAPL present as chlorinated solvents ... into aquifer materials below the water table and become much more difficult to locate and remediate than non aqueous phase liquids that are lighter than water (LNAPLs) which tend to float at the ...
Mediation (Marxist Theory And Media Studies) - Mediation in Media Studies - Remediation
... history, and in this genealogy, older media can also remediate newer ones ... all of the strategies through which digital media remediate and are remediated by their predecessors.” Thus, the “double logic of remediation can function explicitly or ... other media in cycles of remediation, our culture still needs to acknowledge that all media remediate the real ...