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. physicochemical processes

Narrower term/s

• ultrasonic misting

Anotations

Scope note:

The process of raising the level of relative humidity in a closed environment, such as a building or room; use also for the treatment of items by making them moist, such as by the application of steam.