ˈpōrəs, ˈpȯr- adjective
Etymology: Middle English, from Medieval Latin porosus, from Latin porus pore + -osus -ous
1.
a. : full of pores : capable of absorbing moisture : permeable by liquids
b. : possessing vessels or pores — compare diffuse-porous , ring-porous
2. : full of holes : insubstantial
implications of such judgments are much too far-reaching to be attained by so porous a procedure — T.A.Sebeok
the largely unfenced international boundary … inevitably has been very porous — Gladwin Hill
• po·rous·ly adverb
• po·rous·ness noun -es