Definition, Meaning & Synonyms

permeance

noun

/ˈpɜrmɪəns/

Definition

The property or quality of a material that allows the passage of fluids or gases through it.

Examples

The permeance of the membrane allowed water vapor to escape while blocking larger molecules.
In construction, understanding the permeance of building materials can prevent moisture problems.
Soil scientists often measure the permeance of different soil types to determine drainage capabilities.

Meaning

Permeance refers to how easily a substance, such as a liquid or gas, can pass through a solid material. It is an important concept in fields such as engineering and physics, especially when dealing with insulation materials or soil composition.