ABC1Pronunciation: /eɪbiːˈsiː/Translate ABC | into Italian | into Spanish Definition of ABC noun 1the alphabet. 2an alphabetical guide:an ABC of British locomotives the rudiments of a subject:the business had been learning the ABC of its tradePhrases (as) easy (or simple) as ABC extremely easy: economics can be as simple as ABCABC in other Oxford dictionaries Definition of ABC in the US English dictionary
