| Acronym | Meaning |
| TOM | Transition Operator Method |
| LIMS | Laser Ionization Mass Spectrometry |
| ARE | Activated Reactive Evaporation |
| FEED | Field Emission Energy Distribution |
| SCSOPW | Self-consistent Symmetrized Orthogonalized-plane-wave |
| LED | Light-emitting Diode |
| IIRF | Intergalactic IR Radiation Field |
| TCF | Totally Chlorine-free [in Pulp Industry] |
| GIPOF | Graded-Index Plastic Optical Fiber |
| OMO | Orthogonalized Magnetic Orbital |