| Acronym | Meaning |
| SMA | Shape Memory Alloy |
| SCPP | Self-consistent Polarization Propagator |
| IAP | Inhibitor Of Apoptosis |
| BSO | Basic Symmetric Operator (in Second-quantization Calculations) |
| CLU-IN | Clean-Up Information Bulletin Board System (formerly OSWER-BBS) |
| ECCF | Exchange Correlated Crystal Field |
| APAF | Apoptosis Protease Activating Factor |
| BAZ | Biologically Active Zones |
| HSLA | High-strength Low-alloy (steel) |
| MIMIC | Micromolding In Capillaries |