| massc | mass concentration |
|---|---|
| MBC | male breast cancer; maximal bladder capacity; maximal breathing capacity; metastatic breast cancer; ... |
| MC | mass casualties; mast cell; Master of Surgery [Lat. Magister Chirurgiae]; maximum concentration; Med... |
| MCBR | minimum concentration of bilirubin |
| MCHC | maternal/child health care; mean corpuscular hemoglobin concentration; mean corpuscular hemoglobin c... |