| MC | mass casualties; mast cell; Master of Surgery [Lat. Magister Chirurgiae]; maximum concentration; Med... |
|---|---|
| EA | early antigen; educational age; egg albumin; electric affinity; electrical activity; electroacupunct... |
| HAA | hearing aid amplifier; hemolytic anemia antigen; hepatitis-associated antigen; hospital activity ana... |
| LIA | Laser Institute of America; leukemia-associated inhibitory activity; lock-in amplifier; lymphocyte-i... |
| op-amp | operational amplifier |