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English definition of “beta”

beta

adjective [before noun]     /ˈbiː.tə/ US  /ˈbeɪ.t̬ə/
Beta software is at the second stage of development: a beta disk You can download the beta version from the website.Computer programming and softwareStages and phases
(Definition of beta adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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