| Acronym | Meaning |
| MR-CI-PS | Multireference-CI-perturbatively Selected |
| NIRS | National Inorganics And Radionuclides Survey |
| DPD | Diethyl-p-phenylenediamine (test For Chlorine In Water) [93-05-0] |
| EFVAO | Electric-field Variant Atomic Orbital |
| SFORD | Single Frequency Off Resonance Decoupling |
| ISPCR | In Situ Polymerase Chain Reaction |
| CROWN | Combines Rotation With Nutation |
| TRPO | Trialkylphosphine Oxide |
| DOTS | Digital-optical Technology System |
| ARDEC | Armament Research |