Initialism of fire department. / (computing) Initialism of floppy disk. / (computing) Initialism of floppy drive. / (aviation) Initialism of flight director.

plural of FD

(video games) Initialism of Famicom Disk System.

(US) Initialism of Federal Food, Drug, and Cosmetic Act.

(FD&C code) A color additive composed principally of tartrazine.

(computing, copyright law) Initialism of GNU Free Documentation License.

Initialism of frequency division multiple access.

(copyright law) Initialism of Free Documentation License. / Initialism of File Definition Language (“a VMS language used for describing files”).

(computing, countable) Initialism of Floppy Disk Drive. / (software) Initialism of Feature-Driven Development. / (telecommunications) Initialism of Frequency-Division Duplex.

(US) Initialism of Food and Drug Administration, a United States federal regulatory body.