| Acronym | Meaning |
| CAPCOA | California Air Pollution Control Officers Association |
| OLCAO | Orthogonalized Linear Combination Of Atomic Orbitals |
| CONFU | Conference On Fair Use |
| VCB-CPA | Virtual Crystal Bandwidth-coherent Potential Approxn. (for Electronic-structure Calcns. On Alloys) |
| POSCO | Pohang Steel Company |
| HGMD | Human Gene Mutation Database |
| SPMC | Stationary Phase Monte Carlo |
| SUMP | Spin-constrained Unrestricted Moeller-Plesset |
| UMP2 | Unrestricted Moeller-Plesset 2nd-order (perturbation Theory) |
| MRF | Myogenic Regulatory Factor |