- foundry coke
- Fourier number
- Fourier's 1st law
- Fourier's 2nd law
- fractional crystallization
- fractional distillation
- fractional precipitation
- fractography
- fracture
- fracture angle, fissure angle
- fracture spacing
- fracture surface
- fracture toughness
- Frank-Read source
- free drawing
- free face
- free machining copper with 0.5% Te
- free machining copper with 1% Pb
- free radical
- free settling
- free space blasting
- free spread
- free volume theory
- free-machining steel
- freezing shaft sinking
- Frenkel vacancy
- fretting corrosion
- Fretz-Moon pipe mill
- friction
- friction coefficient
- friction hill
- friction material
- friction press
- friction saw
- friction type winder
- frictional resistance coefficient
- frictional rock bolt
- front-end loader
- frontal resistance of airflow
- froth
- froth flotation
- froth layer
- froth paddle
- froth product
- frother
- frothing
- Froude number
- fuel cell
- fuel injection
- fuel ratio, fuel rate