| Acronym | Meaning |
| ADPI | Air Diffuser Performance Index |
| GCE | Glassy Carbon Electrode |
| IFOT | Invariant Fock Operator Technique |
| ALK | Anaplastic Lymphoma Kinase |
| UBFF | Urey-Bradley Force Field |
| RAM | Reference-system Average Mayer-function (in Perturbation Theory) |
| USCAR | United States Council For Automotive Research |
| PAR | Photosynthetically Active Radiation |
| CERES | Cloud And The Earth's Radiant Energy System |
| IAM | Integrated Assessment Modeling |