| Acronym | Meaning |
| BLC | BACT/LAER Clearinghouse |
| SCAF | Self-consistent Anisotropic Field |
| CCM | Cyclic Cluster Model (in CNDO For Deep Levels In Solids) |
| MLSS | Mixed Liquor Suspended Solids |
| FERAM | Ferroelectric Random Access Memory |
| HKS | Hohenberg-Kohn-Sham (quantum Theory) |
| MIM | Metal Injection Molding |
| NND | New And Nonofficial Drugs |
| NTR | Nontranslated Region |
| HALOE | Halogen Occultation Experiment |