| ANOVA | Analysis of variance |
| BBD | Box–Behnken design |
| DF | Degree of freedom |
| DOE | Design of Experiments |
| EDM | Electrical Discharge Machining |
| IEG | Inter-electrode gap |
| MOTLBO | Multi-objective teaching–learning based optimization |
| MRR | Material removal rate (mm3/s) |
| NDEDM | Near dry electrical discharge machining |
| NDWEDM | Near dry wire electrical discharge machining |
| RSM | Response surface methodology |
| SEM | Scanning electron microscope |
| SMA | Shape memory alloy |
| SMAs | Shape memory alloys |
| SME | Shape memory effect |
| SR | Surface roughness (µm) |
| TEM | Transmission electron microscope |
| TLBO | Teaching–Learning based optimization |
| Ton | Pulse on time (µs) |
| Toff | Pulse off time (µs) |
| t | Time in seconds |
| WEDM | Wire electric discharge machine |
| ρ | Density in g/cm3 |
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