| Acronym | Meaning |
| CTA | Cellulose Triacetate (Reg: 9012093) |
| OLCAO | Orthogonalized Linear Combination Of Atomic Orbitals |
| DWC | Deasphalted Whole Crude |
| RODAC | Regional Ocean Dumping Advisory Committee |
| SNAP | Significant New Alternative Policy |
| RRDE | Rotating Ring Disk Electrode |
| EIS | Eikonal Initial State (in Scattering Calcns.) |
| DMDS | Dimethyl Disulfide |
| DID | Dipole-induced-dipole (in Mol. Polarizabilities Calcn.) |
| DTPMP | Diethylenetriaminopenta(methylenephosphonic Acid) |