| Acronym | Meaning |
| MRSPT | Modified Rayleigh-Schroedinger Perturbation Theory |
| APUMPN | Approximately Projected Unrestricted Moeller-Plesset Nth-order |
| BCR | Bubble Column Reactor |
| SCE | Sister Chromatid Exchange |
| RDA | Recommended Daily Allowance |
| INCENP | Inner Centromere Protein |
| ICR | Intelligent Optical Character Recognition |
| ECCES | Environmental Calculations Of Consequences From Energy Systems (model) |
| AML | Acute Myeloid Leukemia |
| DIERS | Design Institute For Emergency Relief Systems (AIChE) |