| Acronym | Meaning |
| QCR | Quartz Crystal Resonator |
| DASP | Discontinuous Activated Sludge Process |
| CIAC | Centro De Informacion Ambiental Del Caribe |
| SCOPE | Scientific Committee On The Problems Of The Environment |
| NSO | Natural Spin Orbitals |
| PBA | Poly(butyl Acrylate) |
| PRISM | Parameter-related Internal Standard Method |
| CARL | Collective Atomic Recoil Laser |
| MELISA | Multianalyte Enzyme-linked Immunosorbent Assay |
| SEU | Single Event Upset (in Spacecraft Power Systems) |