| en rectification (n, chemistry) | 
            ― IsA ⟶
         
            Weight: 2.0
         |  | Source: Open Multilingual WordNet | ||
| en refining (n, process) | 
            ― IsA ⟶
         
            Weight: 2.0
         |  | Source: Open Multilingual WordNet | ||
| en petroleum refining (n) | 
            ― IsA ⟶
         
            Weight: 1.0
         |  | Source: OpenCyc 2012 | ||
| en refining (n) | 
            ― IsA ⟶
         
            Weight: 1.0
         |  | Source: OpenCyc 2012 | ||
| en refining (n) | 
            ― IsA ⟶
         
            Weight: 1.0
         |  | Source: OpenCyc 2012 | ||
| en Refining | 
            ― IsA ⟶
         
            Weight: 1.0
         |  | Source: Open Mind Common Sense contributors timeslicer | ||
| en refining (n) | 
            ― IsA ⟶
         
            Weight: 1.0
         |  | Source: OpenCyc 2012 | ||
