| metamorphes Gestein | metamorphic rock |
| magmatisches Gestein | igneous rock |
| Metamorphose | metamorphosis |
| Metamorphit | metamorphic rock |
| Metaphysikerin | metaphysician |
| Murphys Gesetz | Murphy's Law |
| anstehendes Gestein | bedrock |
| Erstarrungsgestein | igneous rock |
| Sedimentgestein | sedimentary rock |
| Mittlerer Westen | Midwest |
| Metalloprotein | metalloprotein |
| Methamphetamin | methamphetamine |
| Metamathematik | metamathematics |
| metabolisieren | metabolize metabolise |
| metaphorisieren | metaphorise |
| Ohmsches Gesetz | Ohm's law |
| ohmsches Gesetz | Ohm's law |
| menschliches Wesen | human being |
| Mooresches Gesetz | Moore's law |
| rhythmisches Gesetz | rhythmic rule |