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English definition of “ABC”

ABC

noun (ALPHABET)    /ˌeɪ.biːˈsiː/
[S] (US usually ABCs [plural]) the alphabet: He's learning his ABC at school.Letters of alphabetsLettering and alphabetsLettering and alphabetsLetters of alphabets [S] (US usually ABCs [plural]) basic information about a subject: What I need is a book that contains the ABC of carpentry.Information and messages
(Definition of ABC noun (ALPHABET) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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