1. 
   penetrable
   [adj] - capable of being penetrated 2. [adj] - admitting of penetration or passage into or through
   Found op http://www.webdictionary.co.uk/definition.php?query=penetrable
   
   
2. 
   Penetrable
   Pen'e·tra·ble adjective [ Latin penetrabilus : confer French pénétrable .] Capable of being penetrated, entered, or pierced. Used also figuratively. « And pierce his only penetrable part.» Dryden. « I ...
   Found op http://www.encyclo.co.uk/webster/P/46
   
   
3. 
   penetrable
   adjective capable of being penetrated; `penetrable defenses`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=penetrable
   
   
4. 
   penetrable
   adjective admitting of penetration or passage into or through; `a penetrable wall`; `penetrable defenses`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=penetrable
   
   
5. 
   Penetrable
   • (a.) Capable of being penetrated, entered, or pierced. Used also figuratively.
   Found op http://thinkexist.com/dictionary/meaning/penetrable/
   
   

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