| Acronym | Meaning |
| QLSM | Quadratic Least-squares Method (variational For Scattering) |
| BCPCT | Best Conventional Pollutant Control Technology |
| HAISP | High Altitude Interactive Science Platform |
| ESW | Electroslag Welding |
| CMS | Carbogenic Molecular Sieves |
| CNDO/2D | Complete Neglect Of Differential Overlap With Deorthogonalization |
| CC | Combined Cycle |
| FEF | Forced Expiratory Flow (lung Function) |
| TAP | Temporal Anal. Of Products |
| IDTIMS | Isotope Diln. Thermal Ionization Mass Spectrometry |