1. 
   Picene
   Pi'cene noun [ See Piceous .] (Chemistry) A hydrocarbon (C...H...) extracted from the pitchy residue of coal tar and petroleum as a bluish fluorescent crystalline substance.
   Found op http://www.encyclo.co.uk/webster/P/83
   
   
2. 
   picene
   <chemistry> A hydrocarbon (CH) extracted from the pitchy residue of coal tar and petroleum as a bluish fluorescent crystalline substance. ... See: Piceous. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?picene
   
   
3. 
   Picene
   • (n.) A hydrocarbon (C/H/) extracted from the pitchy residue of coal tar and petroleum as a bluish fluorescent crystalline substance.
   Found op http://thinkexist.com/dictionary/meaning/picene/
   
   
4. 
   Picene
   Picene is a hydrocarbon found in the pitchy residue obtained in the distillation of peat tar and of petroleum. This is distilled to dryness and the distillate repeatedly recrystallized from cymene. It may be synthetically prepared by the action of anhydrous aluminium chloride on a mixture of naphth...
   Found op http://en.wikipedia.org/wiki/Picene
   
   

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