1. 
   Tetrol
   Tet'rol noun [ Tetra- + benz ol .] (Chemistry) A hypothetical hydrocarbon, C 4 H 4 , analogous to benzene; -- so called from the four carbon atoms in the molecule. Tetrol phenol , furfuran.
   Found op http://www.encyclo.co.uk/webster/T/35
   
   
2. 
   tetrol
   <chemistry> A hypothetical hydrocarbon, C4H4, analogous to benzene; so called from the four carbon atoms in the molecule. Tetrol phenol, furfuran. ... Origin: Tetra- + benzol. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?tetrol
   
   
3. 
   Tetrol
   • (n.) A hypothetical hydrocarbon, C4H4, analogous to benzene; -- so called from the four carbon atoms in the molecule.
   Found op http://thinkexist.com/dictionary/meaning/tetrol/
   
   

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