| MD | Multi-directional |
| UD | Uni-directional |
| CFRP | Carbon fiber reinforced plastic |
| xGnPs | Graphene nanoplatelets |
| MWFs | Metal working fluids |
| MQL | Minimum quantity lubrication |
| MWCNTs | Multiwall carbon nanotubes |
| COF | Coefficient of friction |
| hBN | Hexagonal boron nitride |
| FE-SEM | Field emission scanning electron microscope |
| APS | Average particle size |
| SSA | Specific surface area |
| COF | Coefficient of friction |
| FAW | Fiber area weight |
| ID | Intensity of D band |
| IG | Intensity of G band |
| I2D | Intensity of 2D band |
| IG | Intensity of G band |
| Fd | Delamination factor |
| Dnom | Nominal diameter |
| Dmax | Maximum extension of delamination |
| Af | Uncut fiber area |
| Anom | Nominal drilled-hole area |
| Aex | Extracted area through image processing |
| Ra | Arithmetical mean height |
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