| Acronym | Meaning |
| OPACA | Organotin Paint Control Act Of 1988 (US) |
| IR | Isoprene Rubber |
| UAM-IV | Urban Airshed Model Version IV |
| HSE | Health And Safety Executive |
| EOSDIS | Earth Observing System Data Information System |
| DQ-MBPT | Double And Quadruple Excitation Diagrams In Many-body Perturbation Theory |
| CSD | Crystal Size Distribution |
| SLAPS | Superconducting Large Area Phonon Sensors |
| ASPG | Antisymmetrized Product Of Separated Geminals Approxn. |
| FCC | Face Centered Cubic |