| CNC | Computer numerical control |
| MQL | Minimum quantity lubrication |
| SEM | Scanning electron microscope |
| OM | Optical microscope |
| Ra | Surface roughness |
| Fr | Resultant cutting force |
| Esp | Specific energy |
| VB | Tool wear |
| MCDM | Multi-criteria decision-making method |
| TOPSIS | Technique for order preference by similarity to ideal solution |
| PIS | Positive ideal solution |
| NIS | Negative ideal solution |
| RCi | Relative closeness coefficient |
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