Dictionary

porosity

noun po·ros·i·ty \pə-ˈrä-sə-tē, p-\
plural po·ros·i·ties

Definition of POROSITY

1
a :  the quality or state of being porous
b :  the ratio of the volume of interstices of a material to the volume of its mass
2
:  pore

First Known Use of POROSITY

14th century

porosity

noun po·ros·i·ty \pə-ˈräs-ət-ē, pō-, p-\   (Medical Dictionary)
plural po·ros·i·ties

Medical Definition of POROSITY

1
a :  the quality or state of being porous b :  the ratio of the volume of interstices of a material to the volume of its mass
2
:  pore

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