| Acronym | Meaning |
| CTOD | Crack Tip Opening Displacement |
| APO B | Apolipoprotein B |
| AJCC | American Joint Committee On Cancer |
| IRAK | Interleukin 1 Receptor-associated Kinase |
| RMCL | Recommended Maximum Contaminant Level |
| WEDM | Wire Electric Discharge Machining |
| FBR | Fast Breeder Reactor |
| REP | Relativistic Effective Potential |
| DIIS | Direct Inversion In The Iterative Space |
| INN | International Nonproprietary Names (for Drugs) |