| Acronym | Meaning |
| LCTAO | Linear Combination Of Traveling Atomic Orbitals |
| PTR | Photothermal Radiometry |
| NHEXAS | National Human Exposure Assessment Survey |
| SPHINCS | Sequential PHoton Interrogation And Neutron Counting Signatures |
| POF | Polymer Optical Fiber |
| IEA | International Energy Agency |
| GFIS | Gas Field Ion Source |
| CPE | Chlorinated Polyethylene |
| REELM | Reflected Electron Energy Loss Microscopy |
| SCIBM | Semiclassical Infinite-barrier Model |