| Acronym | Meaning |
| ANDI | Analytical Data Interchange |
| TER | Total External Reflection |
| FTMS | Fourier Transform Mass Spectrometry |
| PPR | Projection Pursuit Regression |
| PSCA | Periodic Small-cluster Approach (a Many-body Technique In Electronic-structure Calcns.) |
| DMARD | Disease Modifying Antirheumatic Drug |
| WCBP | Well Characterized Biotechnology Pharmaceuticals |
| APWR | Advanced Pressurized Water Reactor |
| BMI | Body Mass Index |
| CTTS | Charge Transfer To Solvent |