You searched for: “fluidization
fluidization
1. The process in which a solid is so finely ground as to take on most of the properties of a liquid.
2. A technique in which a finely divided solid is caused to behave in the manner of a fluid by its being suspended in a moving gas or liquid; the solids treated in this way are frequently catalysts.
3. The suspension of solid particles in a rapidly moving stream of gas or vapor to induce flowing motion of the whole.

Specifically, a technique in which a finely divided solid is caused to behave in the manner of a fluid by its being suspended in a moving gas or liquid.