| Acronym | Meaning |
| NVH | Noise, Vibration, And Harshness |
| IVNAA | In Vivo Neutron Activation Analysis |
| RAA | Rigid-atom Approxn. (in Electronic Structure Calcns.) |
| TEIL | Two-electron Ionization Ladder (wave Function) |
| FMECA | Failure-mode Effects And Criticality Analysis |
| SAW | Self-avoiding Walk [modeling] |
| ALWR | Advanced Light Water Reactor |
| BCT | Best Control Technology |
| OB/OD | Open Burn/open Detonation |
| CDEDW | Centrifugally-decoupled Exponential Distorted Wave |