| Acronym | Meaning |
| CCRM | Coupled-channel Reactance Matrix (in Atom Surface Scattering) |
| LMMS | Laser-microprobe Mass Spectrometry |
| DEFT | Driven Equilibrium Fourier Transform |
| BEBO/R | Relaxed Bond Energy-bond Order Method |
| ABCM | Assembly (of) Boundary-controlled Monolayers (method For Electronic-structure Calcns.) |
| ISI | Information Systems Inventory |
| IRE | Interferon-responsive Element |
| SCP | Single-cell Protein |
| SPELEEM | Spectroscopic PhotoEmission And Low Energy Electron Microscope |
| CFFE | Cumulative Fissile Fuel Enrichment |