| Acronym | Meaning |
| 3SR | Self-sustained Sequence Replication |
| ACPF | Averaged Coupled Pair Functional |
| DCTS | Discharging Current Transient Spectroscopy |
| DHXP | Dihexyl Phthalate |
| TPEPICO | Threshold Photoelectron-photoion Coincidence |
| CFF | Consistent Force Field |
| ZFAAS | Zeeman Furnace Atomic Absorption Spectroscopy |
| SCM | Shell-correction Method (in Calcns. For Metal Clusters) |
| EH | Extended Hueckel |
| JTU | Jackson Turbidity Unit |