fluo - freq
- Frank defect
- Frank dislocation
- Frank index
- Frank loop
- Frank network
- Frank vector
- Frank-Condon transition
- Frank-Read source
- franklin
- Franz-Keldysh effect
- Frässling relation
- Fraunhofer approximation
- Fraunhofer corona
- Fraunhofer diffraction
- Fraunhofer diffraction hologram
- Fraunhofer diffraction pattern
- Fraunhofer hologram
- Fraunhofer holography
- Fraunhofer line
- Fraunhofer plane
- Fraunhofer region
- Fraunhofer spectrum
- Fraunhofer zone
- Frechet differential
- Fredholm equation
- Fredholm integral equation
- Fredholm operator
- Fredholm theorem
- free
- free access
- free air
- free antineutron
- free aquiferous layer
- free argument
- free atom
- free bending
- free betatron oscillations
- free boundary
- free carbon
- free carrier