A bicycle having twelve gears.

plural of speed skier

comparative form of high-speed: more high-speed

plural of high speed

Alternative form of high-speed

superlative form of high-speed: most high-speed

(aviation) The airspeed at which the lift generated by an aircraft flying with an angle of attack equal to the stall angle (the point of maximum lift for a given airspeed) is exactly equal to the aircraft's weight; the minimum airspeed at which it is possible to maintain level unaccelerated flight.

plural of ground speed

plural of idling speed

The speed, measured in revolutions per minute, of an internal-combustion engine when it is running, but is at rest and without power being applied, typically with transmission in neutral.