| Acronym | Meaning |
| MOE | Modulus Of Elasticity |
| BHF | Broken-symmetry Hartree-Fock |
| LSS | Laboratory Safety System |
| BH | Barbanis Hamiltonian |
| BPD | Bronchopulmonary Dysplasia |
| 2PH TDA | Two-particle-hole Tamm-Dancoff Approximation (for Closed-shell |
| LDAR | Leak Detection And Repair |
| APS | Autocorrelation Photon Spectroscopy |
| AIMB | Analogy And Intelligence In Model Building |
| ECLSS | Environmental Control And Life Support System |