ABC
ABC
nounDefinition of ABC
usually ABC's or ABCs pl general or basic truths on which other truths or theories can be based <a book on the ABCs of computer usage>
Related Words basis, bedrock, cornerstone, foundation, groundwork, keystone, underpinning; nitty-gritty; belief, canon, doctrine, dogma, faith, philosophy; axiom, law, precept, tenet; rule, standard; theorem
Learn More About
Ask The Editor Videos
Seen & Heard 
What made you want to look up ABC? Please tell us where you read or heard it (including the quote, if possible).
