| Acronym | Meaning |
| CCSD-ED | Coupled-cluster Method With Single And Double Excitations-energy Derivative |
| SCI | Stabilized Criegee Intermediate(s) |
| COI | Constituents Of Interest |
| MMR | Mismatch Repair |
| ISTEA | Intermodal Surface Transportation Efficiency Act |
| BNF | Biological Nitrogen Fixation |
| AVCC-IOS | Azimuthal (and) Vibrational Close-coupled (rotational) Infinite Order Sudden |
| ARROW | Anti-resonant Reflecting Optical Waveguide |
| CTEM | Conventional Transmission Electron Microscopy |
| INCH | Indirectly-bonded Carbon-hydrogen Shift Correlation |