| Acronym | Meaning |
| DIGIT | Deep Infrared Galaxy Imaging Telescope |
| CMI | Cell-mediated Immunity |
| PI | Polydispersity Index |
| AICR | American Institute For Cancer Research |
| IMC | Intermetallic Matrix Composite |
| MAO | Monoamine Oxidase |
| PET | Petrol. Elementary Tools (computer Program) |
| ALICE | A Large Ion Collider Experiment |
| HID | High Interstitial Defect |
| OMBD | Organic Molecular Beam Deposition |