| Acronym | Meaning |
| AFC | Antibody Forming Cell |
| UFL | Upper Flammable Limit |
| YSGG | Yttrium Scandium Gallium Garnet |
| IUAM | Independent United Atom Model (in Positron Scattering By Mols.) |
| LASCO | Large Angle Spectroscopic Coronograph |
| TRCF | Transcription-repair Coupling Factor |
| PIV | Particle Image Velocimetry |
| SALQR | Successive Approximation Linear Quadratic Regulator (for Groundwater Management) |
| CRHF | Complex-restricted Hartree-Fock |
| ASFV | African Swine Fever Virus |