Hypertext Webster Gateway: "permeable"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Permeable \Per"me*a*ble\, a. [L. permeabilis: cf. F.
perm['e]able. See {Permeate}.]
Capable of being permeated, or passed through; yielding
passage; passable; penetrable; -- used especially of
substances which allow the passage of fluids; as, wood is
permeable to oil; glass is permeable to light. --I. Taylor.
From WordNet (r) 1.7 (wn)
permeable
adj : allowing (especially liquids) to pass or diffuse through;
"permeable membranes"; "rock that is permeable by
water" [ant: {impermeable}]
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