1. 
   Dioxindol
   Di`ox·in'dol noun [ Prefix di- + ox ygen + indol .] (Chemistry) A white, crystalline, nitrogenous substance obtained by the reduction of isatin. It is a member of the indol series; -- hence its name.
   Found op http://www.encyclo.co.uk/webster/D/70
   
   
2. 
   dioxindol
   <chemistry> A white, crystalline, nitrogenous substance obtained by the reduction of isatin. It is a member of the indol series; hence its name. ... Origin: Pref. Di- + oxygen + indol. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?dioxindol
   
   
3. 
   Dioxindol
   • (n.) A white, crystalline, nitrogenous substance obtained by the reduction of isatin. It is a member of the indol series; -- hence its name.
   Found op http://thinkexist.com/dictionary/meaning/dioxindol/
   
   

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