FD

(redirected from FD/HD)
Also found in: Dictionary, Encyclopedia, Wikipedia.

Fd

Abbreviation for ferredoxin.

Fd

the heavy chain portion of a Fab fragment produced by papain digestion of an IgG molecule.

FD

abbr.
fatal dose

FD

Abbreviation for familial dysautonomia.

FD

fatal (lethal) dose; focal distance.