Extender may refer to: DOS extender, a technology for bypassing the limitations of the DOS operating systems family Extender (ink), a transparent material added to printing inks KC-10 Extender, an air-to-air tanker aircraft Meat extenders Media extender Seafood extender or Surimi Tele extender, a secondary lens for SLR cameras Quickdraw or extender, a piece of climbing equipment used by rock and ice climbers to allow the climbing rope to run freely through bolt anchors or other protection while leading Extender (set theory) MG Extender, a pickup truck vehicle built by SAIC Motor and sold in Thailand See also Ascender (typography) Descender