| Acronym | Meaning |
| ASHRAE | American Society Of Heating |
| BDT | Brueckner (with) Double (and) Triple (substitutions) |
| UHFQ | Unrestricted Hartree-Fock With Quartet Annihilation |
| ASIS | American Society For Information Science |
| CPCA | Consensus Principal Component Analysis |
| CARCA | Computer-assisted Rocking Curve Analysis |
| SAI | Spline-fitted Ab Initio (potential Energy Surface) |
| MP4(SDTQ) | Moeller-Plesset (perturbation Theory To) 4th Order With Single |
| BCT | Best Conventional Technology |
| AIADC(3) | Ab Initio Third-order Algebraic Diagrammatic Construction Green Function Method |