| Acronym | Meaning |
| ACE | Alternating Conditional Expectations |
| RCR | Replication-competent Retrovirus |
| ABR | Anaerobic Baffled Reactor (for Wastewater Treatment) |
| SARIS | Scattering And Recoiling Imaging Spectrometry |
| NLXC | Nonlocal Exchange Correlation (potential) |
| BLS | Bureau Of Labor Statistics |
| PMN | Polymorphonuclear Leukocyte |
| ICL | Interface Control Layer |
| ZSM | Zeolite Socony Mobil |
| FMAR | Ferromagnetic Antiresonance |