| Acronym | Meaning |
| RBM | Radial Breathing Mode |
| RB | Renormalized Band (method In Electronic-structure Calcns.) |
| HIFU | High-intensity Focused Ultrasound |
| CAE | Capillary Affinity Electrophoresis |
| CEDIA | Cloned-enzyme Donor Immunoassay |
| TURA | Toxics Use Reduction Act 1989 |
| LDR | Linear Dynamic Range |
| AMS | American Mathematical Society |
| KHP | Potassium Hydrogen Phthalate |
| BERM | Biological And Environmental Reference Materials |