| Acronym | Meaning |
| ICR | Information Collection Rule |
| GAPT | Generalized Atomic Polar Tensor |
| ESDIAD | Electron Stimulated Desorption Of Ion Angular Distribution |
| IEL | Independent Electron (model In Ion-impact Ionization Calcns.) |
| SEAWIFS | Sea Viewing Wide Field Of View Sensor |
| CASS | Computer Assisted Stratification And Sampling |
| RBCA | Risk-based Corrective Action |
| APC | Anaphase-promoting Complex |
| ERCIM | European Research Consortium For Informatics And Mathematics |
| TRIPS | Trade-Related Aspects Of Intellectual Property Rights |