noun (plural -ties) Date: 14th century 1. the quality or state of being porous, the ratio of the volume of interstices of a material to the volume of its mass, pore
POROSITY
Meaning of POROSITY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012