noun
- The plural of perviousness; the quality or state of being pervious (allowing passage through; permeable).
Usage: Formal or technical usage; Rarely used in everyday speech; more common in scientific or academic contexts
Examples
- The perviousnesses of different soil types determine how quickly water drains through them.
- Engineers must account for the perviousnesses of various materials when designing water filtration systems.
- The perviousnesses of the membranes varied significantly across the samples tested.
- Geologists study the perviousnesses of rock formations to predict groundwater flow.
- The perviousnesses of these fabrics make them ideal for breathable clothing.