1. 
   precipitating(a)
   [adj] - bringing on suddenly or abruptly
   Found op http://www.webdictionary.co.uk/definition.php?query=precipitating(a)
   
   
2. 
   precipitating(a)
   adjective bringing on suddenly or abruptly; `the completion of the railroad was the precipitating cause in the extinction of waterborne commerce`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=precipitating(a)
   
   

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