| Acronym | Meaning |
| RQDO | Relativistic Quantum Defect Orbital (method In Calcns. Of Oscillator Strengths) |
| EPROM | Erasable Programmable Read Only Memory |
| MIC | Methyl Isocyanate |
| PTS | Position-tagged Spectroscopy |
| CIC | Configuration Interaction (in The) Continuum (theory In Calcns. Of Atomic Resonances) |
| QLUC | Quasimolecular Large Unit Cell (model For Electronic-structure Calcns. On Solids) |
| DHF | Dengue Hemorrhagic Fever |
| HABR | Hybrid Anaerobic Baffled Reactor (for Wastewater Treatment) |
| AE-CI | All Electron-configuration Interaction |
| TSC | Thermal Stimulated Current |