automatic transmission

Definition of automatic transmission

  1. :  a system in a vehicle that changes gears at different speeds without direct control by the driver I can't drive her car because it has a manual transmission instead of an automatic transmission.

Word by Word Definitions

  1. :  largely or wholly involuntary

    :  reflex

    :  acting or done spontaneously or unconsciously

  1. :  a machine or apparatus that operates automatically

    :  an automatic firearm

    :  an automatic transmission

  1. :  an act, process, or instance of transmitting

    :  the passage of radio waves in the space between transmitting and receiving stations

    :  the act or process of transmitting by radio or television

Seen and Heard

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a brief usually trivial fact

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