ˈpərvēəs, ˈpə̄v-, ˈpəiv- adjective
Etymology: Latin pervius, from per through + -vius (from via way, road) — more at for , via
1.
a. archaic : lying open to the understanding : intelligible
b. : being of such a kind as to permit access to something indicated
pervious to reason and the logic of facts — Scotsman
2.
a. : being of a substance that can be penetrated or permeated
a pervious rock
pervious soil
or that allows passage through
a metal especially pervious to heat
: not impervious
b. archaic : that is passable (as by a traveler)
c. : perforate 2a
3. archaic : pervading
• per·vi·ous·ness noun -es