| Acronym | Meaning |
| NCCAM | National Center For Complementary And Alternative Medicine |
| MCF | Monocyte Cytotoxicity Factor |
| ST4CCD | Coupled Cluster (with) Double (substitutions And) Single (and) Triple (substitutions Incorporated Via) Fourth-order (perturbat |
| RFT | Respirator Fit Test |
| RAINS | Regional Acidification Information And Simulation |
| CPOM | Coarse Particulate Organic Matter |
| SPAES | Spin Polarized Auger Electron Spectroscopy |
| SDPM | Spin-dependent Photomodulation |
| LSD-SCF | Local Superdirect-self-consistent Field |
| NECTAR | National Electronic Clinical Trials And Research |