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English definition of “automatic”

automatic

adjective (INDEPENDENT)    /ˌɔː.təˈmæt.ɪk/ US  /ˌɑː.t̬əˈmæt̬-/
B2 An automatic machine or device is able to operate independently of human control: automatic doors an automatic rifle automatic focus on a cameraMechanical engineering
(Definition of automatic adjective (INDEPENDENT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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