| Acronym | Meaning |
| CTAC | Counterdrug Technology Assessment Center |
| TSH | Tensor Surface Harmonic (method In Bonding Of Metal Clusters) |
| ESQC | Elastic Scattering Quantum Chemistry |
| MDGI | Mammary Gland-derived Growth Inhibitor |
| SCPF | Self-consistent Polarization Field Method |
| IRGL | Interagency Regulatory Liaison Group |
| CRISTA | Cryogenic Infrared Spectrometers And Telescopes For The Atmosphere |
| LTR | Long Terminal Repeat |
| OLMO | Orthonormal Localized Mol. Orbital |
| ACIMS | Active Chemical Ionization Mass Spectroscopy |