1. 
   intercommunication
   [n] - mutual communication
   Found op http://www.webdictionary.co.uk/definition.php?query=intercommunication
   
   
2. 
   Intercommunication
   In`ter·com·mu`ni·ca'tion noun Mutual communication. Owen.
   Found op http://www.encyclo.co.uk/webster/I/77
   
   
3. 
   intercommunication
   noun mutual communication; communication with each other; `they intercepted intercommunication between enemy ships`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=intercommunication
   
   
4. 
   Intercommunication
   • (n.) Mutual communication.
   Found op http://thinkexist.com/dictionary/meaning/intercommunication/
   
   
5. 
   intercommunication
   1) Communicating 2) Communication 3) Mutual communication
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/intercommunication/1
   
   

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