| Acronym | Meaning |
| IAHR | International Association For Hydraulic Research |
| LPED | Low-pressure Electric Discharge |
| EFB | Empty Fruit Bunch |
| ADGIXA | Angular-dependent Glancing-incidence X-ray Analysis |
| AMMRC | Army Materials And Mechanics Research Center |
| HFEGE | Hara Free-electron-gas Exchange (potential) |
| PNO-CI | Pseudonatural Orbital-configuration Interaction |
| P-T-T-D | Pressure-temperature-time-deformation Path (for Metamorphic Rocks) |
| SFCCCC | Space-fixed Complex-coordinate Coupled-channel Method |
| MWNT | Multiwall Nanotube |