| Acronym | Meaning |
| SPPD | Spin Polarized Photoelectron Diffraction |
| AFEAS | Alternative Fluorocarbon Environmental Acceptability Study |
| VBR | Variational Basis Representation (in Quantum Calcns.) |
| D-SIC | Degeneracy-dependent Self-interaction Correction |
| DISC | Death-inducing Signaling Complex |
| FHCP | Federal Hazard Communication Program |
| CDA | Copper Development Association |
| RIOSA | Rotational Infinite Order Sudden Approxn. |
| TPA | Two-photon Absorption |
| ERL | Environmental Research Laboratory |