| mesonero | tjener |
| Mesonychoteuthis hamiltoni | Kolosblæksprutte |
| Mesopotamia | Mesopotamien |
| Mesosfera | Mesosfære |
| Mespilus germanica | Mispel |
| Message authentication code | Message authentication code |
| MESSENGER | MESSENGER |
| MesseTurm | Messeturm |
| Messina | Messina |
| Mesías | Messias |
| Mesón | Herberg |
| Met | Mjød |
| meta | mål |
| Metaanálisis | Metaanalyse |
| metabolismo | stofskifte |
| Metabolismo ácido de las Crassulaceae | CAM-plante |
| metabolito | stofskifteprodukt |
| Metadato | Metadata |
| Metadona | Metadon |
| Metaficción | Metafiktion |
| metafísica | metafysik |
| Metahemoglobina | Mæthæmoglobin |
| metainformation | metainformation |
| metal | metal |
| Metal Church | Metal Church |
| Metal cristiano | Kristen metal |
| Metal extremo | Ekstremmetal |
| Metal Gear | Metal Gear |
| Metal neoclásico | Neo-klassisk metal |
| metal no férreo | ikke-jernholdigt metal |
| metal pesado | tungmetaller |
| Metal Progresivo | Progressiv metal |
| metal tóxico | giftigt metal |
| Metalcore | Metalcore |
| metales alcalino-terrosos | grundstoffer i gruppe II |
| metales no férreos | ikke-jernholdigt metal |
| metales pesados | tungmetaller |
| Metalicidad | Metal |
| Metallica | Metallica |
| metaloide | ikke-metaller |
| metaloides | ikke-metaller |
| metalurgia | metallurgi |
| Metanarrativa | Metanarrativ |
| Metanet | Metanet |
| Metanfetamina | Methamfetamin |
| metano | methan |
| metanol | metanol |
| Metapod | Metapod |
| METAR | METAR |
| Metasequoia | Vandgran |
| Metatheria | Pungdyr |
| Metaética | Metaetik |
| Meteorito | Moderisk Bedrag |
| meteoro | meteor |
| Meteoroide | Meteoroid |
| meteorologia | meteorologi |
| meteorología | meteorologi |
| methanización | methanisering |
| Method Man | Method Man |
| metida de pata | fejltagelse |
| metido | entusiast |
| Metil | Methyl |
| Metilfenidato | Ritalin |
| Metilxantina | Xanthin |
