MP3 definition, meaning - what is MP3 in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “MP3”

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MP3

noun [C or U] uk   us   /ˌem.piːˈθriː/ trademark
a computer file that stores high-quality sound in a small amount of space, or the technology that makes this possible: I downloaded their latest album on MP3.
(Definition of MP3 from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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