| Acronym | Meaning |
| OSCAR | Oxidn. And Scavenging Characteristics Of April Rains |
| OMNIS | Observatory For Multiflavor Neutrinos From Supernovae |
| LOPAP | Library Of Pharmacologically Active Peptides |
| ICP-OES | Inductively Coupled Plasma-optical Emission Spectroscopy |
| RLPPS | Reactive Low-pressure Plasma Spraying |
| ESA | Electrostatic Sector Analysis |
| UHIPI | Ultrahigh Intensity Post-ionization |
| SFRC | Spruce-Fir Research Cooperative |
| FOPIM | First Order Perturbation Iteration Method |
| GIAO | Gage Invariant Atomic Orbital |