penetrable
pe·net·rable
adjective
1.
admitting of penetration or passage into or through
- “a penetrable wall”
- “penetrable defenses”
2.
Origin
From Middle English penetrable, penytrable, from Old French penetrable, from Medieval Latin penetrābilis.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.