variable-sweep wing

variable sweep delta wing

variable sweep wing

leading-edge sweep / leading edge sweep

variable camber wing

variable-geometry wing aircraft

wing sweep

wing-in-ground-effect amphibious craft; ground-effect vehicle (GEV); wing-in-ground-effect (WIG); ground-effect craft; wingship; flarecraft; ekranoplan

wing-to-body fairing / wing-body fairing

blended-wing design (blended wing/body design)

continuously variable slope delta (CVSD)

variable

variable housing allowance (VHA)

variable-time fuse / VT fuse (VT, also fuze)

variable time (VT)

variable operating and safety level

variable safety level

constant-horsepower variable-torque output

variable charges

variable-area nozzle

variable-area plotting

variable-area record section

variable-area recording (VAR)

variable-displacement pump

variable-lift cam

variable-speed with speed control

infinitely variable

variable restrictor

variable-area propelling nozzle

variable-delivery piston pump

variable geometry (VG)

variable dihedral airplane

fundamental equation of flow through the conduit of variable cross-section area