+Porosity is a measure of the empty spaces within a material. It quantifies the fraction of void volume relative to the total volume, influencing a material's capacity to hold [Fluid](/wiki/fluid) or allow [Flow](/wiki/flow) through its structure. These tiny gaps, whether isolated or interconnected, are fundamental to understanding many natural and engineered systems.
+## See also
+- [Density](/wiki/density)
+- [Permeability](/wiki/permeability)
+- [Soil](/wiki/soil)
... 1 more lines