| Acronym | Meaning |
| CSA | Chiral Solvating Agent |
| EFPD | Effective Full Power Day |
| TBLMTO | Tight-binding Linear (combination Of) Muffin-tin Orbitals |
| EGCR | Experimental Gas-cooled Reactor |
| DZD | (double Zeta)-diffuse (basis Set In Configuration-mixing MO Calcns. On Mols.) |
| LDQ | Linnett Double Quartet (equivalent To Nonpairing Spatial Orbital Theory) |
| CTOF | Charge Time-of-Flight Spectrometer |
| SEE | Space Environment And Effects |
| HADD | Highest Average Daily Dose |
| BAT | Back Arc Tectonics |