| Acronym | Meaning |
| LOI | Loss Of Imprinting |
| LIFR | Leukemia Inhibitory Factor Receptor |
| DARC | Dielectric Antireflection Coating |
| SCIA | Semiclassical Impulse Approxn. |
| CHO | Complex Harmonic Oscillator (in Mol. Scattering Theory) |
| OIRM | Office Of Information Resources Management |
| CCDPPA | Coupled-cluster With Double Excitation Polarization Propagator |
| TPU | Thermoplastic Polyurethane |
| STEAM | Stratosphere-Troposphere Exchange And Climate Monitor |
| LSD-GX-SIC | LSD-GX-with Generalized Exchange-self-interaction Corrected |