| Acronym | Meaning |
| SC-MEH-MO | Self-consistent-modified Extended Hueckel-MO |
| PGIP | Polygalacturonase-inhibiting Protein |
| STE | Self-trapped Exciton |
| LONEOS | Lowell Observatory Near-Earth-Object Search |
| IBAD | Ion-Beam-Assisted Deposition |
| HSSPME | Headspace Solid-phase Microextraction |
| ROBO | Rotating Bond Order (model In Potential Surface Calcns.) |
| ROMP | Restricted Open-shell Moeller-Plesse |
| CARIBIC | Civil Aircraft For Remote Sensing And In Situ Measurements In Troposphere And Lower Stratosphere Based On The Instrumentation |
| YAC | Yeast Artificial Chromosome |