| Acronym | Meaning |
| IAHR | International Association For Hydraulic Research |
| DCS | Distributed Control System |
| CECE | Combined Electrolysis And Chemical Exchange |
| GCLDA | Gradient-corrected Local Density Approximation |
| WFM | Work Function Microscopy |
| SSC | Superconducting Super Collider |
| LISA | Library And Information Science Abstracts |
| MMS | Merged Markush Service |
| ETAD | Ecological And Toxicological Association Of Dye And Organic Pigment Manufacturers |
| PDF | Probability Density Function |