| Acronym | Meaning |
| OCEPA | Office Of Communications |
| LIPAS | Laser Induced Photoacoustic Spectroscopy |
| EAAS | Electrothermal Atomic Absorption Spectrometry |
| OIT | Oxidative Induction Time |
| SRIM | Stopping And Ranges Of Ions In Matter |
| MCAO | Middle Cerebral Artery Occlusion |
| AIHC | American Industrial Health Council |
| MEDLARS | Medical Literature Analysis And Retrieval System (NLM) |
| HCL | Hollow Cathode Lamp |
| ISE | Iterative Secular Equation (method For Solving The Schroedinger Equation) |