1. 
   Pinacone
   Pin'a·cone noun [ From Greek ..., ..., a tablet. So called because it unites with water so as to form tablet- shaped crystals.] (Chemistry) A white crystalline substance related to the glycols, and made from acetone; hence, by extension, any one of ...
   Found op http://www.encyclo.co.uk/webster/P/90
   
   
2. 
   pinacone
   <chemistry> A white crystalline substance related to the glycols, and made from acetone; hence, by extension, any one of a series of substances of which pinacone proper is the type. ... Alternative forms: pinakone. ... Origin: From Gr, a tablet. So called because it unites with water so as to ...
   Found op http://www.mondofacto.com/facts/dictionary?pinacone
   
   
3. 
   Pinacone
   • (n.) A white crystalline substance related to the glycols, and made from acetone; hence, by extension, any one of a series of substances of which pinacone proper is the type.
   Found op http://thinkexist.com/dictionary/meaning/pinacone/
   
   

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