| Mitralklappe | mitral valve |
| Mittelklasse | middle class |
| Mitrailleuse | machine gun |
| Straklatte | spline |
| Achselklappe | epaulet |
| Filmklappe | clapperboard |
| Herzklappe | heart valve |
| Katzenklappe | cat flap kitty door |
| Graukappe | birch bolete |
| Radkappe | hubcap |
| Mittagspause | lunch break lunch hour midday break |
| Mittelkraft | central force intermediary force mediating power |
| Mittellauf | middle reaches |
| mitral | mitral |
| Spektralklasse | spectral class |
| Attrappe | dummy mock-up mockup |
| Tragfläche | airfoil wing aerofoil foil hydrofoil |
| Trappe | bustard |
| Mineralsäure | mineral acid |
| Neuralplatte | neural plate |