| Acronym | Meaning |
| TOXLIT | Toxicology Literature From Special Sources (NLM) |
| AER | Atmospheric And Environmental Research |
| EFP | Explosively Formed Projectile |
| AGP | Alpha-1-acid Glycoprotein |
| BEW | Base (or Biological) Equivalent Weight |
| NMDAR | N-methyl-D-aspartate Receptor |
| IVA | Intravehicular Activity (related To Spacecraft) |
| CMC-SCF | Complete Multiconfiguration Self-consistent Field |
| SFRS | Spin-flip Raman Scattering |
| OCSC | Orbital-charge-self-consistent (in Electronic State Calcn.) |