| Acronym | Meaning |
| APWA | American Public Works Association |
| PCO | Perturbational Crystal Orbital |
| ACF | Anticoagulant Factor |
| HST | Hubble Space Telescope |
| AMPD | AMP Deaminase |
| SCM | Shell-correction Method (in Calcns. For Metal Clusters) |
| RIP | Rapid Isothermal Processing |
| CSAAS | Continuum Source Atomic Absorption Spectrometry |
| BRSV | Bovine Respiratory Syncytial Virus |
| CCI | Crevice Corrosion Index |