| Acronym | Meaning |
| SPADE | Stratospheric Photochemistry |
| FLMTO | Film Linearized Muffin-tin Orbital (for Surface Electronic Structure Calcns.) |
| CPBE | Coulomb-projected Born Approxn. With Exchange |
| HMI | Hornbeck-Molnar Ionization (homonuclear Associative Ionization In At. Collisions) |
| NMMAPS II | The National Morbidity |
| RIOSA | Reactive Infinite-order Sudden Approxn. |
| BIPP | Boron Implanted Polysilicon Pad |
| FACCE | Frontal Analysis Continuous Capillary Electrophoresis |
| AIPA | American Inventors Protection Act |
| BTPPC | Benzyltriphenylphosphonium Chloride |