| Acronym | Meaning |
| HAZCOM | Hazardous Communication Plan |
| ICVT | Improved Canonical Variational Theory |
| OCCSD | Open-shell Coupled-cluster (with) Single (and) Double (excitations) |
| CSA | Coupled-subshell Approxn. (in Calcns. On Inner-shell Ionization Collisions) |
| CNC | Condensation Nucleus Counter |
| COIL | Chem. Oxygen-iodine Laser |
| IDD | Iodine Deficiency Disorder |
| OMNIS | Observatory For Multiflavor Neutrinos From Supernovae |
| SMRI | Swedish Meat Research Institute |
| SEM | Strategic Environmental Management |