What does .TIFF stand for?

What does .TIFF mean?

.TIFF	image/tiff Internet » MIME Types
TIFF	Tagged Image File Format Computing » General
TIFF	Tagged Image File Format Miscellaneous » Photography
TIFF	Tagged Image File Format Community » Media
TIFF	tagged image file format Governmental » FDA
TIFF	Tagged Image File Format Bitmap graphics Computing » File Extensions
TIFF	Tons Of Incompatible File Formats Miscellaneous » Unclassified
TIFF	Toronto International Film Festival Community » Media
TIFF	Transitional Image File Format Miscellaneous » Unclassified