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English definition of “simultaneous”

simultaneous

adjective [not gradable]    /ˌsɑɪ·məlˈteɪ·ni·əs, ˌsɪm·əl-/
happening or existing at exactly the same time: The report will be broadcast in Russian with simultaneous English translation. simultaneously    /ˌsɑɪ·məlˈteɪ·ni·əs·li, ˌsɪm·əl-/ adverb [not gradable] To drive a car, you’ve got to learn to do several things simultaneously.
(Definition of simultaneous adjective from the Cambridge Academic Content Dictionary © Cambridge University Press)
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