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
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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.

Look at other dictionaries:

  • 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

  • automatic transmission — an automotive transmission requiring either very little or no manual shifting of gears. Also called automatic, automatic drive. [1945 50] * * * ▪ mechanics       arrangement of gears, brakes, clutches, a fluid drive, and governing devices that… …   Universalium

  • 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

  • automatic transmission — automatinė pavarų dėžė statusas T sritis automatika atitikmenys: angl. automatic transmission vok. automatisches Getriebe, n rus. автоматическая коробка передач, f pranc. boîte de vitesses automatique, f; transmission automatique …   Automatikos terminų žodynas

  • automatic transmission — N UNCOUNT A car that is fitted with automatic transmission has a gear system in which the gears change automatically …   English dictionary

  • automatic transmission — automatic trans mission n [U and C] a system that operates the ↑gears of a car without the driver needing to change them …   Dictionary of contemporary English

  • automatic transmission — automatic trans mission noun count or uncount a system in which the GEARS of a car change by themselves without any action by the driver …   Usage of the words and phrases in modern English

  • automatic transmission — noun A mechanical transmission which shifts gears automatically in response to speed and/or load, rather than requiring the operator to do so manually; an automatic gearbox. Ant: manual transmission, stickshift, standard transmission …   Wiktionary

  • automatic transmission — (in a car) gear system that changes gears automatically (as opposed to a manual transmission) …   English contemporary dictionary

  • automatic transmission — automat′ic transmis′sion n. aum an automotive transmission requiring either very little or no manual shifting of gears • Etymology: 1945–50 …   From formal English to slang

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