| Subject | Dutch | English |
| transp., tech. | aangewezen getal van Mach | indicated Mach number |
| transp., avia. | getal van Mach | mach |
| phys.sc., transp., avia. | getal van Mach | Mach number |
| earth.sc., transp. | getal van Mach in de vlucht | flight Mach number |
| earth.sc., transp. | kritiek getal van Mach | drag divergence Mach number |
| earth.sc., transp. | kritiek getal van Mach | critical Mach number |
| earth.sc. | kritisch Mach-getal | Mach critical pressure number |
| phys.sc., transp., avia. | lokaal getal van Mach | local Mach number |
| transp., avia. | mach getal | Mach number |
| transp., avia. | mach getal | mach |
| tech. | Mach-getal | Mach number |