| Acronym | Meaning |
| SLPI | Secretory Leukocyte Protease Inhibitor |
| PEMFC | Polymer Electrolyte Membrane Fuel Cell |
| CLC | Chloride Channel |
| REELS | Reflection Electron Energy-loss Spectroscopy |
| DPA | Differential Pulse Amperometry |
| XCC | Expectation-value Coupled-cluster (in Correlation Energies And Electronic Properties Of Many-electron Systems Calcns.) |
| TRPH | Total Recoverable Petroleum Hydrocarbons |
| LOCA | Loss-of-Coolant Accident |
| EAZO | Energetically Active Zones Of The Ocean |
| DDX | Isomers And Metabolites Of DDT |