| Acronym | Meaning |
| TIMAS | Toroidal Imaging Mass-Angle Spectrograph |
| AFBR | Anaerobic Fluidized-bed Reactor |
| OPPTS | Office For Prevention |
| ASSP | Aerosol Scattering Spectrometer Probe |
| ASW | Axial Spin Wave (type Of Hartee-Fock Wave Function) |
| CMT | Charcot-Marie-tooth Disease |
| SCCSA | Self-consistent Central-site Approxn. (for D.-of-states) |
| WSE | Wool Scouring Effluent |
| AVCC-IOS | Azimuthal (and) Vibrational Close-coupled (rotational) Infinite Order Sudden |
| GTO | Gaussian-type Orbital |