| Acronym | Meaning |
| ODF | Orientation Distribution Function |
| PONA | Paraffins, Olefins, Naphthalenes, And Aromatics (in Petroleum Analysis) |
| EGRET | Energetic Gamma Ray Experiment Telescope |
| JOFET | Josephson Field Effect Transistor |
| PBCSBR | Porous Biomass Carrier Sequencing Batch Reactor |
| ARIES | Angle Resolved Ion Electron Spectroscopy |
| HVEM | Herpesvirus Entry Mediator |
| CCA | Channel Coupling Array (quantum Theory For Atoms And Mols.) |
| CAHF | Configuration-averaged Hartree-Fock |
| KHP | Potassium Hydrogen Phthalate |