| Acronym | Meaning |
| CFP | Coefficient Of Fractional Parentage (method In Quantum Calcns.) |
| CTDM | Complex Terrain Dispersion Model (air Quality) |
| MSD | Mean Square Displacement |
| ISPCR | In Situ Polymerase Chain Reaction |
| CRM | Continuous Radon Monitor |
| LOES | Laser Optical Emission Spectroscopy |
| UCG | Underground Coal Gasification |
| FETAX | Frog Embryo Teratogenesis Assay-Xenopus |
| MP2(FU) | MP2(full) Inner-core Electrons Are Included In The Approxn. |
| CAWG | Clean Air Working Group |