| Acronym | Meaning |
| AI | Agpaitic Index [represents The (Na2O + K2O)/Al2O3 Ratio] |
| SAMHSA | Substance Abuse And Mental Health Services Administration |
| PMAD | Power Management And Distribution (system) (of Space Station) |
| ETS | EPCRA 313 Tracking System |
| OSWSV | Osteryoung Square Wave Stripping Voltammetry |
| CNDO/S | Complete Neglect Of Differential Overlap/spectroscopic |
| CARCA | Computer-assisted Rocking Curve Analysis |
| NSTC | National Science And Technology Council |
| QCP | Quantized Classical Path (method For Calcg. Quantum-mech. Rate Consts.) |
| PAA | Poly (acrylic Acid) |