| Acronym | Meaning |
| CRSS | Critical Resolved Shear Stress |
| LCAO LDA | LCAO-local Density Approxn. |
| QUASAR | Quality Simulation Along Rivers (environmental Model) |
| HAV | Hepatitis A Virus |
| ACE | Aerosol Characterization Experiment |
| HCP | Hexagonal Close Packed |
| VLBA | Very Long Baseline Array |
| LDS | Linear Dichroism Spectrometry |
| PEANUT | Phase-inverted Echo-amplitude Detected Nutation |
| LMXB | Low-mass X-ray Binaries |