| Acronym | Meaning |
| API | Atmosheric Pressure Ionization |
| FEMA | Federal Emergency Management Agency |
| NSES | National Science Education Standards |
| LAOS | Large Amplitude Oscillatory Shear |
| MCEP | Multiconfigurational Electron Propagator (in Ionization Potential Calcns.) |
| AWG | American Wire Gauge |
| CCSD-ED | Coupled-cluster Method With Single And Double Excitations-energy Derivative |
| PWBA-EX | Plane-wave Born Approxn. (with) Exchange |
| HADD | Highest Average Daily Dose |
| DRAW | Digital Read After Write |