| Acronym | Meaning |
| SBA | Second Born Approximation |
| GLAO | Generalized Localized Ao |
| CN | Condensation Nucleus |
| LAK | Lymphokine Activated Killer |
| SBA | Small Business Administration |
| ARC | Antireflection Coating |
| BET | Bond Equilibrium Theory |
| IABO | International Association Of Biological Oceanography (ICSU) |
| AFRSI | Advanced Flexible Reusable Surface Insulation |
| ECNICI | Electron Capture Negative Ion Chemical Ionization |