'Penetrability' definitions:

Definition of 'penetrability'

(from WordNet)
noun
The quality of being penetrable (by people or light or missiles etc.) [syn: penetrability, perviousness] [ant: impenetrability, imperviousness]

Definition of 'Penetrability'

From: GCIDE
  • 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. [1913 Webster]