| Acronym | Meaning |
| HHAP | Heavy Hydroaroms. From Petroleum |
| PCPAA | Prompt Charged Particle Activation Analysis |
| GOODS | Great Observatories Origins Deep Survey |
| SDIM | Scaled Diatomics-in-molecules |
| CFS | Chemical Fixation And Solidification (of Hazardous Wastes) |
| RHFS | Relativistic Hartree-Fock-Slater |
| HASE | Hydrophobically Modified Alkali-swellable Emulsion |
| PIAS | Photon-counting Image Acquisition System |
| ARRP | Acid Rain Research Program |
| NAFTA | North American Free Trade Agreement |