What does TT stand for?

What does TT mean?

TT	T Tom Miscellaneous » Unclassified
TT	T Top Miscellaneous » Unclassified
TT	TüRkiye TüRkçEsi International » Turkish
TT	Table Top Academic & Science » Architecture
TT	Table Topics Miscellaneous » Toastmasters
TT	Table-Tennis Community » Sports
TT	Tactile Tension Medical » Physiology
TT	Tag Type Computing » Databases
TT	Tank Table Governmental » Military
TT	Tarlington Training Business » Firms
TT	Taru Tinyman Miscellaneous » Unclassified
TT	Task Type Governmental » Military
TT	Tasty Tori Community » Music
TT	Tatar Regional » Language Codes (2 Letters)
TT	Taxe Tobine Miscellaneous » Unclassified
TT	Technical Test Governmental » Military
TT	Techno Terminal Computing » Hardware
TT	Technology Transfer Academic & Science » Electronics
TT	Technology Transfer Governmental » US Government
TT	Tediosa Traduccion Miscellaneous » Unclassified
TT	Tee Time Community » Sports
TT	Teen Titans Miscellaneous » Science Fiction
TT	Teh Tarik Miscellaneous » Unclassified
TT	Teilthread International » German
TT	Telaio Tubolare Miscellaneous » Unclassified