| Acronym | Meaning |
| REIMEP | Regulation European Interlab. Measurement Evaluation Program |
| RAPS | Regional Air Pollution Study |
| RCA | Rolling-circle Amplification |
| THGF | Trigonometric Hermite Gaussian Function |
| FDDI | Fiber-Distributed Data Interface |
| EOSP | Earth Observing Scanning Polarimeter |
| PFPB | Point-feed Prebaked [in Al Refining] |
| OSHA | Occupational Safety And Health Act Or Administration |
| PSII | Plasma Source Ion Implantation |
| ECP | Effective Core Potential Approxn.(in Electronic-structure Calcn.) |