| Acronym | Meaning |
| IMS | Ion Mobility Spectrometry |
| FRCI | Fibrous Refractory Concrete Insulator |
| DCMD | Direct Contact Membrane Distillation |
| (PI)SDCI | (pi)-electron Singly And Doubly Excited CI |
| PCP | Photoelectric Charging Of Particles |
| GIC | Graphite Intercalation Compound |
| GAGE | Global Atmospheric Gases Experiment |
| ASSIST | Abstract Semi-Markov Specification Interface To The SURE Tool [propulsion] |
| REP | Radiological Emergency Planning |
| SCI | Stabilized Criegee Intermediate(s) |