| Acronym | Meaning |
| CCOI | Coupled-channel Optical (potential Method With Only The) Imaginary (part Of The Complex Polarization Potential) |
| SAI | Simplified Ab Initio Method |
| PASTM | Photon Assisted Scanning Tunnel Microscopy |
| GSMBE | Gas Source Molecular-beam Epitaxy |
| HTMR | High Temperature Metal Recovery |
| RE | Relativistic Eikonal |
| PT2D | Second-order Perturbation Theory (with) Diagonal (part Of Fock Matrix) |
| MYF5 | Myogenic Factor 5 |
| NIRDIA | Near Infrared Dye Immunoassay |
| HWGTF | Hazardous Waste Groundwater Task Force |