Free-Flying Module
Full Face Mask
Facility Fault Management
fat-free mass
First Failure to Match
Flat Fade Margin
friction force microscopy
Future Family Member
Faculty of Ferrous Metallurgy
failed fuel mockup
Far Field Monitor
Fast File Manager
fat-free body mass
FFFuel Flow Monitor
finite field method
Fire-and-Forget Missile
Firefly
First Fit Method
five-factor model
five-factor model of personality
Fixed Frequency Mode
Flash-Filament Method
Flats Forwarding Module
Force Fight Monitor
Foundation for Microbiology
free fat mass
Frictional Force Microscope
Frictional Force Microscopy
Fuel fabrication modification
Fuel Failure Mockup