| Acronym | Meaning |
| DTGF | Double-time Green Function |
| NZRPA | Normalized Zero-range Potential Approxn. |
| FASTER | FAst Spinning Gives Transfer Enhancement At Rotary Resonance |
| PAR | Photosynthetically Active Radiation |
| BID | Background Information Document |
| MC-TD-SCF | Multiconfiguration-time Dependent-self-consistent Field |
| UPOT | Union Pacific Oxidation Test |
| SNP | Sodium Nitroprusside |
| CAI | Carcinogenic Activity Indicator |
| MSA | Methanesulfonic Acid (air Pollutant) |