| Acronym | Meaning |
| AFMR | Antiferromagnetic Resonance |
| EAM | Energy Absorbing Molecules |
| AUDM | Advanced Unified Defect Model |
| LDPO | Linearly Driven Parametric Oscillator (model In Energy Transfer Calcns. In Mol. Collisions) |
| DWRF | Drinking Water Research Foundation |
| PCPI | Permanent Committee On Patent Information |
| BSSE | Basis-set Superposition Error |
| HGAFS | Hydride Generation Atomic Fluorescence Spectrometry |
| IMSD | Information Management And Services Division |
| IHO | International Hydrographic Association |