| Acronym | Meaning |
| AXAF | Advanced X-ray Astrophysics Facility |
| ZIP | Zinc Impurity Photodetector |
| BAL | Broad Absorption Line |
| LSRGO | Light Straight-run Gas Oil |
| TSLOO2 | Thermal Stability At Low Oxygen |
| NDT | Nondestructive Testing |
| PVA | Polyvinyl Alcohol |
| MBR | Mobil Benzene Reduction [process] |
| GMP2 | Generalized Moeller-Plesset Second-order (perturbation Theory) |
| EDPCR | Extended Disjoint Principal Components Regression |