| Subject | English | Danish |
| earth.sc., tech. | alfven mach number | Alfvén-Machtal |
| earth.sc., transp. | critical Mach number | kritisk Machtal |
| earth.sc., transp. | drag divergence Mach number | kritisk Machtal |
| earth.sc., transp. | drag rise Mach number | modstandsstignings-Machtal |
| earth.sc., transp. | flight Mach number | flyve-Mach-tal |
| transp., tech. | indicated Mach number | indiceret Mach-tal |
| phys.sc., transp., avia. | local Mach number | lokalt Machtal |
| earth.sc. | Mach critical pressure number | kritisk Machtal |
| phys.sc., transp., avia. | Mach number | Machtal |
| transp., tech. | maximum Mach number | maksimal driftshastighed |
| transp., tech. | maximum Mach number | maksimal drifts Machtal |