| spindle speed, rpm | |
| nn | tool speed, rpm |
| feed per revolution, mm/rev | |
| SS | sum of squares |
| DF | degrees of freedom |
| MS | mean square |
| CYL | cylindricity error, µm |
| STR | straightness error, µm |
| RON | roundness error, µm |
| DE | diameter error, µm |
| p | significance |
| PC | percentage contribution |
| LN2 | liquid nitrogen |
| f | feed rate, mm/min |
| vc | cutting speed, m/min |
| VHM HPC | cemented carbide high performance |
| ANOVA | analysis of variance |
| HSS | high speed steel |
| MPE_E | length accuracy |
| MPE_P | probe ball accuracy |
| MPE_RONt | maximum permissible error of roundness |
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