| LMO | localized molecular orbital |
|---|---|
| LUMO | lowest unoccupied molecular orbital |
| MGG | May-Grunwald-Giemsa [staining]; molecular and general genetics; mouse gammaglobulin; multinucleated ... |
| ML | Licentiate in Medicine; Licentiate in Midwifery; malignant lymphoma; marked latency; maximum likelih... |
| MO | macroorchidism; manually operated; Master of Obstetrics; Master of Osteopathy; medical officer; mesi... |