Hierarchy classification:

1. top of the aat hierarchies
2. Physical Attributes Facet
3. Attributes and Properties (hierarchy name)
4. [attributes and properties by specific type]

Anotations

Scope note:

The quantity of water in a given substance; its weight as a percentage of the total dry weight of the material (as measured on the dry basis) or percentage of the weight per unit mass of the wet material (the wet basis).