| Abbreviation | Definition |
|---|---|
| FCA | Formal Concept Analysis |
| FCC | face-centered cubic |
| FCC | Fluidized Catalytic Cracker |
| FCC | Fully Convoluted Concept |
| FCCU | Fluidized Catalytic Cracker Unit |
| FCF | Fusion Component Failure |
| FCFC | Full-Coverage Film Cooling |
| FCFR | Fusion Component Failure Rate |
| FCG | Fatigue Crack Growth |
| FCI | Fast Causal Inference |
| FCI | Full Configuration Interaction |
| FD | Finite Difference |
| FD | Fusion Device |
| FDFD | Finite Difference Frequency Domain |
| FDM | Fused Deposition Modeling |
| FDR | Failure Divergence Refinement |
| FDR | False Discovery Rate |
| FDTD | Finite Difference Time Domain |
| FDTD | finite-difference time-domain |
| FEAT | Fusion Energy Advanced Tokamak |