| Acronym | Meaning |
| STOL | Short Take-Off And Landing |
| NLP | Nonlinear Programming |
| D-CI | Double Excitations In Configuration Interaction |
| AQCDS | Air Quality Criteria Documents |
| VBSCF | Valence Bond Self-consistent Field |
| ACTG | AIDS Clinical Trials Group |
| LMHEMT | Lattice Matched High Electron Mobility Transistor |
| UNO-CAS | Unrestricted Natural Orbital-complete Active Space |
| UBT | Urea Breath Test |
| SPECM | Scanning Photoelectrochemical And Electrochemical Microscopy |