| Acronym | Meaning |
| PAA | Photon Activation Analysis |
| BSI | British Standards Institute |
| PAM | Performance Assessment Methodology |
| DHB | 2,4-dihydroxybenzoic Acid |
| EGCI | Exponentially Generated Configuration Interaction |
| ASHP | American Society Of Health-System Pharmacists |
| SLM | Supported Liquid Membranes |
| AIPHOS | Artificial Intelligence For Planning And Handling Organic Synthesis |
| DI | Direct Injection (engine; Diesel) |
| HMDI | Hexamethylene Diisocyanate |