Hierarchy classification:

1. top of the aat hierarchies
2. Activities Facet
3. Processes and Techniques (hierarchy name)
4. [processes and techniques by specific type]
5. separating
6. dispersion (process)

Narrower term/s

• reverse osmosis

Anotations

Scope note:

Process whereby particles intermingle and move from a region of higher to one of lower concentration, and for the transmission or reflection of light. Includes the effect of such processes, such as the softening of sharp outlines in a photograph.