| Acronym | Meaning |
| GIWA | Global International Waters Assessment |
| ESE | Extended-surface Electrolysis |
| MCH | Melanin Concentrating Hormone |
| BSDF | Bidirectional Scatter Distribution Function |
| IDA | International Desalination Association |
| CARA | Chemical Assessments And Related Activities |
| MMO | Mixed-mode Oscillation |
| SPIRIT | Spatial IR Imaging Telescope |
| WINDII | Wind Imaging Interferometer |
| CCSR | Calcium Carbonate Saturation Ratio |