Definify.com

Webster 1913 Edition

Porosity

Po-ros′i-ty

,

Noun.

[Cf. F.

porosité

.]

The quality or state of being porous; – opposed to density.

Webster 1828 Edition

Porosity

POROS'ITY

,

Noun.

[from porous.] The quality or state of having pores or interstices.