| Acronym | Meaning |
| PTGC | Programmed-temperature Gas Chromatography |
| IECA | International Erosion Control Association |
| MIESR | Matrix Isolation Electron Spin Resonance |
| FEGO | Floating Ellipsoidal Gaussian Orbital |
| HGCU | Hot Gas Cleanup |
| BOCLE | Ball-on Cylinder Lubricity Evaluator |
| LCEC | Liquid Chromatography With Electrochemical Detection |
| BLC | BACT/LAER Clearinghouse |
| SOGVB | Strongly-orthogonal Generalized Valence-bond (wave Function) |
| CCDW | Coupled-channel Distorted-wave (quantum Method) |