Meaning of AUDIO- in English

AUDIO-

/ ˈɔːdiəʊ; NAmE ˈɔːdioʊ/ combining form

(in nouns, adjectives and adverbs) connected with hearing or sound :

an audiobook (= a reading of a book on cassette , CD, etc.)

audio-visual

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WORD ORIGIN

from Latin audire hear.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.