| Acronym | Meaning |
| BHP | Bottom-hole Pressure |
| CHIEF | Clearinghouse For Inventories And Emission Factors |
| LQG | Loop Quantum Gravity |
| OS | Overlapping Spheres (method) |
| VPT | Variational Perturbation Theory |
| STW | Surface Transverse Wave |
| CST | Charcoal Sorbent Tubes |
| CIH | Certified Industrial Hygienist |
| HEIWIP | Heterojunction Interfacial Workfunction Internal Photoemission |
| PBP | Penicillin Binding Protein |