What does SF stand for?

What does SF mean?

SF	Self Filling Business » Products
sf	sostantivo femminile International » Italian
SF	Supreme Fascist Governmental » Nazi Regime
SF	Starboard Forward Governmental » Transportation
SF	Step Frequency Academic & Science » Electronics
SF	Singular Field Academic & Science » Physics
SF	Structured Field Academic & Science » Physics
SF	IRCAM Sound File Computing » File Extensions
SF	Symmetry Factor Academic & Science » Physics
SF	Supremely Frustrating Internet » Chat
SF	Silly Female Internet » Chat
SF	Scrap Files Business » General
SF	Shallow Faulting Academic & Science » Geology
SF	OS/2 WPS attribute storage Computing » File Extensions
SF	Super Finished Business » Products
SF	Shared Frameworks Computing » Software
SF	Sucrose Formulated Miscellaneous » Food
SF	Schrodinger Functional Academic & Science » Physics
SF	Starter Foil Business » Products
SF	Super Fluorescence Academic & Science » Electronics
SF	Science Fiction Miscellaneous » Science Fiction
SF	Stackelberg Follower Academic & Science » Mathematics
SF	Serious Fall Medical » Hospitals
SF	Scranton Flats Governmental » State & Local
SF	Summed Frequency Academic & Science » Electronics