| Acronym | Meaning |
| LAOS | Light Amplifying Optical Switch |
| ID | Isotope Dilution |
| OMIM | Online Mendelian Inheritance In Man |
| ICWM | Institute Of Chemical Waste Management |
| RRNA | Ribosomal Ribonucleic Acid |
| TIW | Time-independent Wave Packet |
| CVSEH | Correlated Valence Shell Effective Hamiltonian |
| B1B | (coulomb) Boundary-corrected First Born (for Scattering) |
| ENCAT | Epoxy Nucleophile Catalyzed Transesterification |
| CGRO | Compton Gamma-Ray Observatory |