| Acronym | Meaning |
| PGO | Phantom Group Orbital |
| ATLEED | Automated Tensor Low-energy Electron Diffraction |
| HID | High Intensity Discharge |
| TAPPI | Technical Association Of The Pulp And Paper Industry |
| GFCI | Ground Fault Circuit Interrupter |
| PPO | Poly (phenylene Oxide) |
| SQUID | Superconducting Quantum Interference Device |
| NCDS | NASA Climate Data System |
| TFRS | Transition Flow Reaction System |
| ANGIS | Australian National Genomic Information Servicepar |