What is "penetrability"

Penetrability \Pen`e*tra*bil"i*ty\, n. [Cf. F. p['e]n['e]trabilit['e].] The quality of being penetrable; susceptibility of being penetrated, entered, or pierced.
--Cheyne.

n. The extent to which something is penetrable

n. the permeability of something that can be penetrated by a liquid [syn: perviousness] [ant: impenetrability, impenetrability]