1. 
   Eikonogen
   Ei·kon'o·gen noun [ Greek e'ikw`n , e'iko`nos , image + root of gi`gnesqai to be born.] (Photog. & Chem.) The sodium salt of a sulphonic acid of a naphthol, C ₁₀ H ₅ (OH)(NH ₂ )SO...
   Found op http://www.encyclo.co.uk/webster/E/14
   
   
2. 
   Eikonogen
   • (n.) The sodium salt of a sulphonic acid of a naphthol, C10H5(OH)(NH2)SO3Na used as a developer.
   Found op http://thinkexist.com/dictionary/meaning/eikonogen/
   
   

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