| Acronym | Meaning |
| DAF | Distributed Approximating Functional (in Study Of Quantal Wave-packet Propagation) |
| GRM | Geopotential Research Mission (USA Satellite) |
| DPA | Displacement Per Atom |
| ISWMP | Integrated Solid Waste Management Plan |
| APCA | Air Pollution Control Association |
| HOMBA | Higher-order Modified Born Approxn. (in Potential Scattering) |
| PDLC | Polymer-dispersed Liquid Crystal |
| HPM | Hole-potential Model (in Calcn. Of Mol. Excited States) |
| CLRC | Central Laboratory Of The Research Councils |
| AOEC | Association Of Occupational And Environmental Clinics |