| Acronym | Meaning |
| CTLA | Cytotoxic T Lymphocyte Antigen |
| CRAF | Comet Rendezvous Asteroid Flyby |
| NKA | (Na2O + K2O)/Al2O3 |
| BHK | Baby Hamster Kidney |
| CVM | Cluster Variation Method (in Calcns. On Semiconductors) |
| WMAC | Waste Minimization Assessment Center |
| IREB | Intense Relativistic Electron Beam |
| DAF | Decay-accelerating Factor |
| BLB | Brillouin-Levy-Berthier (theorem In MO Theory) |
| DXS | Diffuse X-ray Scattering |