What does EXT stand for?

What does EXT mean?

EXT	External Medical » Physiology
ext	External Community » Housing
EXT	EXTernal Governmental » NASA
EXT	Exterior Governmental » Military
EXT	Extend Medical » Physiology
EXT	Extremity Medical » Physiology
EXT	Extremities Medical » Physiology
EXT	Zaw Computing » File Extensions
EXT	Exeter, England, UK Regional » Airport Codes
EXT	EXperiment Terminal Governmental » NASA
EXT	EXTension Governmental » NASA
EXT	Extract Resources Limited Business » Toronto Stock Exchange
EXT	Extract Resources Ltd Business » ASX Symbols