| MM | macromolecule; Maelzels metronome; major medical [insurance]; malignant melanoma; manubrium to malle... |
|---|---|
| MOV | metal-oxide varistor; minimal occlusive volume |
| MPO | maximum power output; minimal perceptible odor; myeloperoxidase |
| MRO | master reference oscillator; medical review officer; minimal recognizable odor; muscle receptor orga... |
| MRU | mass radiography unit; minimal reproductive unit |