| Acronym | Meaning |
| MICS | Magnetospheric Ion Compn. Spectrometer |
| GIP | Gastric Inhibitory Polypeptide |
| SDD | Silicon Drift Detector |
| HC | Hazardous Constituent |
| MRF | Municipal Recycle Facility |
| ACPF | Averaged Coupled Pair Functional |
| PSES | Pretreatment Standards For Existing Sources |
| FFFSG | Fossil Fuel Fired Steam Generator |
| OEIC | Optoelectronic Integrated Circuit |
| MTAB | Myristyltrimethylammonium Bromide (surfactant) |