mag·ne·to·tax·is 
(măg-nē′tō-tăksĭs)
(măg-nē′tō-tăksĭs)n.
The movement exhibited by magnetite-containing bacteria that orient themselves along the lines of the earth's magnetic field.
mag·ne′to·tactic adj.
- Fort Collins
- Fort-de-France
- forte
- forte
- forte-piano
- fortepiano
- forth
- Forth
- for that matter
- forthcoming
- for the best
- for the better
- for the birds
- for the hell of it
- for the life of
- for the life of (one)
- for the life of one
- for the love of
- for the most part
- for the present
- for the time being
- forthright
- forthrightly
- forthrightness
- forthwith