| Acronym | Meaning |
| DPIA | Digital Printing And Imaging Association |
| EST | External Standardization Technique |
| PAT | Process Analytical Technology |
| PMSR | Pairwise-mixing Stirred Reactor |
| MINDO/3L | Modified Intermediate Neglect Of Differential Overlap/3 For Limited Electrons |
| FRAP | Fluorescence Recovery After Photobleaching |
| DPUMPN | Double-annihilation Procedure Unrestricted Moeller-Plesset Nth-order |
| RSMP | Rayleigh-Schroedinger-Moeller-Plesset Perturbation |
| MSHA | Mine Safety And Health Administration (US) |
| OLT | Orthotopic Liver Transplantation |