FD

1. (abbreviation, alt-of, initialism) Initialism of fire department.
2. (abbreviation, alt-of, initialism) Initialism of floppy disk.
3. (abbreviation, alt-of, initialism) Initialism of floppy drive.
4. (abbreviation, alt-of, initialism) Initialism of flight director.
5. (abbreviation, alt-of, initialism) Initialism of foundation degree.

Synonyms

full duplex

fixed disk

floppy disk

💾

floppy drive

flux density

focal distance

frequency divider

frequency division

hard disk

hard drive

HDD

floor director

forced draft

file device

field

freeze dried