| Acronym | Meaning |
| ODP | Ocean Drilling Program |
| FXR | Farnesoid X Receptor |
| FPPA | Federal Plant Pest Act |
| I-TEF | International Toxicity Equvalency Factor |
| TWTDS | Treatment Works Treating Domestic Sewage |
| GGS | Global Geospace Science |
| NICE-OHMS | Noise-immune Cavity-enhanced Optical Heterodyne Molecular Spectroscopy |
| BQMCT | Basis Quantum Monte-Carlo Theory (for Many Electron Systems) |
| ZDT | Zero Ductility Temperature |
| HCF | High-cycle Fatigue |