1. 
   monocarboxylic
   [adj] - containing one carboxyl group
   Found op http://www.webdictionary.co.uk/definition.php?query=monocarboxylic
   
   
2. 
   monocarboxylic
   adjective containing one carboxyl group
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=monocarboxylic
   
   
3. 
   monocarboxylic
   1) Chemical group 2) Containing one carboxyl group 3) Group 4) Radical
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/monocarboxylic/1
   
   

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