1. 
   penetrability
   [n] - the permeability of something that can be penetrated by a liquid
   Found op http://www.webdictionary.co.uk/definition.php?query=penetrability
   
   
2. 
   Penetrability
   Pen`e·tra·bil'i·ty noun [ Confer French pénétrabilité .] The quality of being penetrable; susceptibility of being penetrated, entered, or pierced. Cheyne.
   Found op http://www.encyclo.co.uk/webster/P/46
   
   
3. 
   penetrability
   perviousness noun the quality of being penetrable (by people or light or missiles etc.)
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=penetrability
   
   
4. 
   penetrability
   (pen″ә-trә-bil´ĭ-te) the ability of x-rays to penetrate matter.
   Found op http://www.encyclo.co.uk/local/21001
   
   
5. 
   Penetrability
   • (n.) The quality of being penetrable; susceptibility of being penetrated, entered, or pierced.
   Found op http://thinkexist.com/dictionary/meaning/penetrability/
   
   
6. 
   penetrability
   the ability of a material to be traversed NOTE - This term should not be used as a synonym for radiation quality.
   Found op http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=881-03-24
   
   
7. 
   penetrability
   1) Permeability 2) Permeableness 3) Perviousness
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/penetrability/1
   
   

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