1. 
   autacoidal
   [adj] - (physiology) of or relating to an autacoid
   Found op http://www.webdictionary.co.uk/definition.php?query=autacoidal
   
   
2. 
   autacoidal
   adjective of or relating to an autacoid
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=autacoidal
   
   
3. 
   autacoidal
   autacoid, autacoidal An organic substance formed by cells of an organ and carried by the circulatory system to a remote site where it affects another organ.
   Found op http://www.wordinfo.info/words/index/info/view_unit/262/
   
   
4. 
   autacoidal
   1) Secretion
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/autacoidal/1
   
   

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