Perviousness

noun

Definitions

Noun
  1. 1
    The quality or state of being pervious. uncountable

    "some Philosophers suppose in the pores of Glass, as 'tis a transparent body, or rather in their ranks or rows, may facilitate the Perviousness we above observ'd in Glass"

  2. 2
    the quality of being penetrable (by people or light or missiles etc.) wordnet

Etymology

From pervious + -ness.

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