| Acronym | Meaning |
| AIM | Adiabatic Invariance Method (in Ion-mol. Reactions) |
| SD | Std. Deviation |
| DETA | Dielectric Thermal Analysis |
| NOET | NASA Operational Environment Team |
| NPC | Nonparenchymal Cell |
| PGO | Phantom Group Orbital |
| OPC | Ordinary Portland Cement |
| HEMA | Hydroxyethyl Methacrylate |
| ASM | Advanced Scavenging Model (for Air Pollution) |
| RSC | Relative Source Contribution |