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Definition of A b c

Babylon English

based on nuclear bacterial or chemical methods (of weapons)
A b c Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
The simplest rudiments of any subject; as, the A B C of finance.

  
The first three letters of the alphabet, used for the whole alphabet.

  
A primer for teaching the alphabet and first elements of reading.

  
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
hEnglish - advanced version

a b c
\a b c"\ (ā bē sē").
1. the first three letters of the alphabet, used for the whole alphabet.
2. a primer for teaching the alphabet and first elements of reading. [obs.]
3. the simplest rudiments of any subject; as, the a b c of finance.
a b c
book, a primer.

Australian Slang
Chinese person born and raised in Australia (standing for Australian-Born Chinese; in the US it is similarly used to stand for an American-Born Chinese)