| Acronym | Meaning |
| MMIC | Monolithic Microwave Integrated Circuit |
| MACS | Magnetic Cell Sorting System |
| SNAP | Significant New Alternative Policy |
| CTC | Charge-transfer Complex |
| MTBF | Mean Time Between Failure |
| MVFF | Modified Valence Force Field |
| PAIR | Patent Application Information Retrieval System |
| BNF | Biological Nitrogen Fixation |
| ASSIST | Abstract Semi-Markov Specification Interface To The SURE Tool [propulsion] |
| SGGA | Symmetric Group Graphical Approach (in CI Calcns.) |