| Acronym | Meaning |
| LFHO | Linearly Forced Harmonic Oscillator |
| CDOC | Colored Dissolved Organic Carbon |
| ITRS | International Technology Roadmap For Semiconductors |
| LHSV | Liquid Hourly Space Velocity |
| TZ | Triple Zeta (basis Set) |
| HNN | Hybrid Neural Network |
| CSC | Client Server Computing |
| FSSW | Friction Super Stir Welding |
| ECISDT | Size-extensive CI With Single And Double And Triple Excitations |
| NF-E1 | Nuclear Factor Erythroid 1 |