| Acronym | Meaning |
| PEEP | Positive End-expiratory Pressure |
| BAL | Blood Alcohol Level |
| FFDCA | Federal Food, Drug, And Cosmetic Act (US) |
| PCCI | Premixed Charge Compression Ignition |
| VO | Valence Orbital |
| IVM | In Vitro Maturation |
| CCWP | Close-coupling Wave-packet (for Mol. Scattering) |
| XMP | Xanthosine 5'-phosphate |
| MR-CI-PS | Multireference-CI-perturbatively Selected |
| ESPRIT | European Strategic Programme For Research And Development In Information Technology |