| Acronym | Meaning |
| PESIS | Photoelectron Spectroscopy Of The Inner Shell |
| DMEM | Dulbecco's Modified Eagle Medium |
| EPOCA | Environmental Project On Central America |
| NLLSCF | Nonlinear Least Squares Curve Fitting |
| GBF | Gibbs-Bogolyubov-Feynman (variational Principle) |
| ELFSE | End-labeled Free-solution Electrophoresis |
| LTPLD | Liquid Target Pulsed Laser Deposition |
| FIOR | Fluid Iron Ore Reduction |
| QLGM | Quantum Lattice Gas Model (in Helium Superfluid Transition Temperature In Zeolite Pores) |
| ORD | Office Of Research And Development (USEPA) |