| Acronym | Meaning |
| EHCO | Extended Hueckel Crystal Orbital |
| CROSSBOW | Computerized Retrieval Of Organic Structures Based On Wiswesser |
| LECIVA | Low Energy Charge-induced Voltage Alteration |
| ALSC | Adirondack Lakes Survey Corporation |
| PEM | Proton Exchange Membrane |
| OSHRC | Occupational Safety And Health Review Commission |
| MAGIC | Major Atmospheric Gamma Imaging Cherenkov |
| DSA | Digital Subtraction Angiography |
| BCCD | Brueckner Coupled Cluster With Double Excitations |
| EUV | Extreme Ultraviolet |