automatic transmission

automatic transmission
noun
a transmission that automatically changes the gears according to the speed of the car
• Syn: ↑automatic drive
• Hypernyms: ↑transmission, ↑transmission system

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noun
: a usually hydraulic or pneumatic mechanism whereby a motor vehicle automatically shifts gear according to actual car speed — called also automatic drive

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an automotive transmission requiring either very little or no manual shifting of gears. Also called automatic, automatic drive.
[1945-50]

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automatic transmission noun
1. (in a motor vehicle) power transmission by fluid drive, allowing gears to change automatically
2. The transmission of (usu) computer data between two points via a telephone system
• • •
Main Entry: ↑automatic

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automatic transmission UK US noun [countable/uncountable] [singular automatic transmission plural automatic transmissions]
a system in which the gears of a car change by themselves without any action by the driver
Thesaurus: equipment and systems in cars and other road vehicleshyponym

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automatic transmission or automatic shift,
any automotive transmission that shifts gears automatically and does not require a clutch. Most types of automatic transmission transmit driving power to the wheels by means of a set of turbine blades which forces oil or other fluid against another set of turbine blades or through a torque converter transmitting power in turn to sets of gears operated by liquid. The flow of liquid is controlled by combinations of valves; automatic drive.

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ˌautomatic transˈmission [automatic transmission] noun uncountable, countable
a system in a vehicle that changes the gears for the driver automatically

•

a car with automatic transmission


Useful english dictionary. 2012.

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  • Automatic 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… …   Wikipedia

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  • automatic transmission — UK / US noun [countable/uncountable] Word forms automatic transmission : singular automatic transmission plural automatic transmissions a system in which the gears of a car change by themselves without any action by the driver …   English dictionary

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