| Acronym | Meaning |
| UQCISD | Unrestricted Quadratic Ci (with) Single (and) Double (excitations) |
| ACSTM | Alternating Current Scanning Tunneling Microscopy |
| CAEDYM | Computational Aquatic Ecosystems Dynamic Model |
| ICON | International Council On Nanotechnology |
| PRA | Plasma Renin Activity |
| ILIAC | International Library Information And Analytical Center |
| CICIS | Chemicals In Commerce Information System |
| XMCD | X-ray Magnetic Circular Dichroism |
| NSPS | New Source Performance Standards |
| CRT | Cathode Ray Tube |