| Acronym | Meaning |
| CPU | Central Processing Unit |
| PWHT | Post-weld Heat Treatment |
| MSA | Mean Spherical Approxn. |
| ACRR | Annular Core Research Reactor |
| EAROM | Electrically Alterable Read Only Memory |
| ISE | Ion Selective Electrode |
| REV | Ray Eigenvector (a Wave Function) |
| MGMT | O6-methylguanine-DNA Methyltransferase |
| ROV | Remotely Operated Vehicle |
| FDBVM | Finite Difference Boundary Value Method |