| Acronym | Meaning |
| BH | Barbanis Hamiltonian |
| CERES | Cloud And The Earth's Radiant Energy System |
| LPIC | Low Pressure Ion Chromatography |
| LTPLD | Liquid Target Pulsed Laser Deposition |
| IRC | Information Resource Center |
| MEPSAG | Minimum Energy Path Semiclassical Adiabatic Ground-state (tunneling Approxn.) |
| MES | 2-(N-morpholino)ethanesulfonic Acid |
| MCAO | Middle Cerebral Artery Occlusion |
| HEPES | N-2-hydroxyethylpiperazine-N'-2-ethanesulfonic Acid |
| PBL | Planet Boundary Layer (in Atmospheric Chemistry And Physics) |