| Acronym | Meaning |
| AAV | Adeno-associated Virus |
| LAWS | Laser Atmospheric Wind Sounder (NASA) |
| APET | Amorphous Poly(ethylene Terephthalate) |
| AEFCA | All-electron Frozen-core Approximation |
| AGI | American Geological Institute |
| LMDPE | Linear Medium Density Polyethylene |
| LAH | Lithium Aluminum Hydride |
| AOSTRA | Alberta Oil Sands Technology And Research Authority |
| CEMOS | Complementary Enhanced Metal-oxide Semiconductor |
| EGCI | Exponentially Generated Configuration Interaction |