| Acronym | Meaning |
| AESOP | Automated Electronic System For Ocean Pollution |
| PNDDO | Partial Neglect Of Diatomic Differential Overlap |
| SNARE | Soluble NSF Attachment Protein Receptor |
| HLPSA | Hazardous Liquid Pipeline Safety Act |
| FLO | Face Localized Orbital |
| PSTM | Photon Scanning Tunneling Microscopy |
| PRM | Primary Reference Material |
| RIDIRS | Resonant In-dip IR Spectroscopy |
| STEREO | Solar TErrestrial RElations Observatory |
| ASOG | Anal. Soln. Of Groups |