automatic gear-change
1Automatic transmission — An automatic transmission (commonly AT or Auto ) is an automobile gearbox that can change gear ratios automatically as the vehicle moves, freeing the driver from having to shift gears manually. Similar but larger devices are also used for heavy… …
2Gear stick — A gear stick (also known as gearstick, gear lever, selection lever, shift stick and gear shifter) is the lever used to change gear in a vehicle, such as an automobile, with manual transmission or several common forms of automatic transmission.… …
3Gear — For the gear like device used to drive a roller chain, see Sprocket. This article is about mechanical gears. For other uses, see Gear (disambiguation). Two meshing gears transmitting rotational motion. Note that the smaller gear is rotating… …
4automatic transmission — noun a transmission that automatically changes the gears according to the speed of the car • Syn: ↑automatic drive • Hypernyms: ↑transmission, ↑transmission system * * * noun : a usually hydraulic or pneumatic mechanism whereby a motor vehicle… …
5automatic — 1 adjective 1 an automatic machine, car etc is designed to be operated in a simple way using only a few controls: an automatic rifle | an automatic time switch 2 something that is automatic always happens as a result of something you have done,… …
6automatic transmission — A mechanism of the drivetrain which takes the power from the engine and transfers it to the driveshaft or wheels. Without using a clutch, it uses a torque converter and fluid coupler to change the gear ratio. It automatically effects gear changes …
7automatic transmission — N UNCOUNT A car that is fitted with automatic transmission has a gear system in which the gears change automatically …
8automatic transmission — noun (U) a system that operates the gears gear 1 (1) of a car without the driver needing to change them …
9Semi-automatic transmission — Transmission types Manual Sequential manual Non synchronous Preselector Automatic Manumatic Semi automatic Electrohydraulic …
10Hub gear — Sturmey Archer SX3 A Sturmey Archer AM bicycle hub gear mechanism wi …
