| Acronym | Meaning |
| ISO | International Organization For Standardization |
| MLOPEX | Mauna Loa Observatory Photochemistry Experiment |
| NPCR | Nonlinear Principal Components Regression |
| BCP | B-cell Precursor |
| FCSA | Frequency-corrected Sudden Approxn. (in Mol. Collision Calcns.) |
| BIF | Boilers And Industrial Furnaces (USEPA Rule) |
| FWM | Four-wave Mixing |
| EBL | Electron-beam Lithography |
| AOML | Atlantic Oceanographic And Meteorological Laboratory (of NOAA |
| ELH | Egg-laying Hormone |