remobilization

noun

1. The return of a substance to circulation within a system, such as substances which had been locked in sediments.

   “The sediment content of this sample was assumed to reflect the remobilization of fine sediment mantling the surface and contained within the bed material matrix.”

2. A return to mobility.

   “this result is entirely satisfactory and offers possibilities of gradual remobilization of unfit individuals or inducing them to take a first step towards renewing active lives.”