| Acronym | Meaning |
| CHIEF | Clearinghouse For Inventories And Emission Factors |
| PGIP | Polygalacturonase-inhibiting Protein |
| APHA | American Public Health Association |
| RAMC | Risk Assessment And Management Commission |
| VEH | Valence Effective Hamiltonian Method (for Electronic Structure) |
| EOM-CC | Equation Of Motion-coupled Cluster |
| AJCC | American Joint Committee On Cancer |
| BCT | Body Centered Tetragonal |
| NEOPS | North East Oxidant And Particle Study |
| SPIO | Superparamagnetic Iron Oxide |