sort by Rank | Alpha
| Possible Meanings | Rank |
| methyl-alpha-D-mannopyranoside | ** |
| Manchester Automatic Digital Machine | ** |
| minimum amino acid-defined medium | ** |
| Modified Atmospheric Density Model | ** |
| Multiuser Advanced Dungeon Master | ** |
| Multicomponent Aerosol Dynamics Model | ** |
| Multiple Attributes Decision Making | ** |
| Multiple Add and Drop Multiplexing | * |
| modified agarose diffusion method | * |