| Acronym | Meaning |
| CTMP | Chemico-thermomechanical Pulping |
| WHH | Width At Half Height [in X-ray Diffraction] |
| PCM | Polarizable Continuum Model |
| OPP | Office Of Pesticide Programs |
| TRCF | Transcription-repair Coupling Factor |
| WATOC | World Association Of Theoretically Oriented Chemists |
| BTK | Bruton Tyrosine Kinase |
| RME | Reduced Matrix Equations |
| FIM | Friable Insulation Material |
| NPOE | 2-nitrophenyl Octyl Ether |