| Acronym | Meaning |
| MPE | Multiphoton Excitation |
| CPMCHF | Coupled Perturbed Multiconfiguration Hartree-Fock |
| FCC | Flight Control Computer |
| ILAC | International Laboratory Accreditation Cooperation |
| PTAW | Plasma Transfer Arc Weld |
| I-TEF | International Toxicity Equvalency Factor |
| IDA | International Desalination Association |
| ACAR | Angular Correlation Of Annihilation Radiation |
| BIND | Biomolecular Interaction Network Database |
| CCPA | Canadian Chemical Producers Association |