| LOCM | low molecular contrast medium |
|---|---|
| LUMO | lowest unoccupied molecular orbital |
| MGG | May-Grunwald-Giemsa [staining]; molecular and general genetics; mouse gammaglobulin; multinucleated ... |
| MO | macroorchidism; manually operated; Master of Obstetrics; Master of Osteopathy; medical officer; mesi... |
| MOL | molecular |