| Acronym | Meaning |
| HDI | High-density Inclusion |
| PPAC | Parallel-plate Avalanche Counter |
| IAP | Integrin-assocd. Protein |
| LPFF | Laser Photolysis Fragment Fluorescence |
| BBB | Blood-brain Barrier |
| IDA | Iron Deficiency Anemia |
| EMTIC | Emission Measurement Technical Information Center |
| FO-CPHF | First-order Coupled Perturbed Hartree-Fock Theory |
| WINDS | Wideband Internetworking Engineering Test And Demonstration Satellite |
| MPI | Multiphoton Ionization |