| Acronym | Meaning |
| TSETG | Two-step Excitation Transient Grating |
| OIRM | Office Of Information Resources Management |
| DPT | Degenerate Perturbation Theory |
| VIF | Valency-point Interaction Formula (in Graph Theory With At. And Mol. Orbitals) |
| GLC | Ground Level Concentration |
| MWTA | Medical Waste Tracking Act |
| OMVPE | Organometallic Vapor-phase Epitaxy |
| FEWS | Fiber-optic Evanescent Wave Spectroscopy |
| MSA | Multivariate Statistical Analysis |
| LAMP | Lysosome-Associated Membrane Protein |