| Acronym | Meaning |
| IRIS | Imaging Of Radicals Interacting With Surfaces |
| SOBO | Spin-orbit (coupled) Bond Orbital |
| ICSTI | International Center For Scientific And Technical Information (Moscow |
| UJT | Unijunction Transistor |
| NBOD | Nitrogenous Biochemical Oxygen Demand |
| OLS | Ordinary Least Squares |
| TAL | Threshold Ambient Level |
| DRIE | Deep Reactive Ion Etching |
| OCLC | Online Computer Library Center |
| DOCC | Description Of Current Conditions |