1. 
   subordinating(a)
   [adj] - (grammar) serving to connect a subordinate clause to a main clause
   Found op http://www.webdictionary.co.uk/definition.php?query=subordinating(a)
   
   
2. 
   subordinating(a)
   subordinative adjective serving to connect a subordinate clause to a main clause; ``when` in `I will come when I can` is a subordinating conjunction`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=subordinating(a)
   
   

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