| Acronym | Meaning |
| ISHM | International Society For Hybrid Microelectronics |
| TPA | Terephthalic Acid |
| RRT | Regional Response Team |
| AVCC-IOS | Azimuthal (and) Vibrational Close-coupled (rotational) Infinite Order Sudden |
| CBRA | Coastal Barriers Resource Act |
| PCM | Polarizable Continuum Model |
| IAP | Ion Activity Products |
| POA | Peierls-Onsager Approxn. (in Electronic Structure Calcns.) |
| ABS | Atomic Beam Scattering |
| TIP | Temperature-independent Paramagnetism |