| Acronym | Meaning |
| PDPID | Pulsed Discharge Photoionization Detector |
| DSCCR | Diffractive Sudden-closed Coupled Rotation (for Mol.-surface Scattering Calcns.) |
| WKB | Wentzel-Kramers-Brillouin (phase-shift Formula For Potential Scattering) |
| QCPE | Quantum Chemistry Program Exchange |
| CCD | Chemical Composition Distribution [of Polymers] |
| EFP | Effective Fragment Potential Method |
| SCALPEL | Scattering With Angular Limitation Projection Electron Lithography |
| MRSI | Magnetic Resonance Spectroscopic Imaging |
| LTEC | Linear Thermal Expansion Coefficient |
| CPMCHF | Coupled Perturbed Multiconfiguration Hartree-Fock |