| Acronym | Meaning |
| ANSR | Advanced Neutron Source Reactor |
| REO | Rare Earth Oxide |
| SAGE | Stratospheric Aerosol And Gas Experiment |
| AFC | Assimilation (with) Fractional Crystallization (geochemistry) |
| LSTH | Liu-Siegbahn-Truhlar-Horowitz (potential-energy Surface) |
| AMAP | Automated Molecular Assembly Plant |
| CSF | Cerebrospinal Fluid |
| MOD | Metalorganic Decomposition |
| ASECS | Antigen-specific Electrophoretic Cell Separation |
| ICF-CI | Interacting Correlated Fragment-CI (wave Function) (see Also SA-MCSCF) |