Meaning of “hi-fi” in the English Dictionary

british dictionary

"hi-fi" in British English

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hi-finoun

uk /ˈhaɪ.faɪ/ us /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

[ U ] abbreviation for high fidelity

(Definition of “hi-fi” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"hi-fi" in American English

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hi-finoun [ C/U ]

us /ˈhɑɪˈfɑɪ/ dated

(Definition of “hi-fi” from the Cambridge Academic Content Dictionary © Cambridge University Press)