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English definition of “hi-fi”

hi-fi

noun     /ˈhaɪ.faɪ/
[C or U] electronic equipment used to play recorded sound , especially music : I've just bought a new hi-fi. hi-fi equipment Audio and video equipment [U] abbreviation for high fidelityAudio and video equipment
(Definition of hi-fi noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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