| Acronym | Meaning |
| PSF | Point Spread Function |
| LSIMS | Liquid Secondary Ion Mass Spectrometry |
| AHA | American Heart Association |
| UPS | UV Photoelectron Spectroscopy |
| IPA | Independent-particle Approximation (in Quantum Calcns. On Solids) |
| TELD | Transferred-electron Logic Device |
| TEAM | Thermal Energy Atomic And Molecular Beam Scattering |
| SCPW | Symmetrized Combination Of Plane Waves |
| ACES | Annual Cycle Energy Storage System |
| ECP | Electrochemical Potential |