variable range ring

base junction; rotary collector ring (box); rotary base junction (of a tank); rotary connection; slip ring; traverse rotary base junction

life ring (ring buoy)

variable-range missile

When variable PWM is disabled, this manually sets the switching frequency (PWM) to the chosen range

adjustable range ring

fixed range ring

range ring

travelling range ring

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

variable-sweep wing

infinitely variable

variable restrictor

variable sweep delta wing

variable sweep wing

variable-area propelling nozzle

variable-delivery piston pump

variable geometry (VG)