1. Australian Broadcasting Corporation
2. American Broadcasting Company
3. (Japan) Asahi Broadcasting Corporation
4. alcoholic beverage control
5. lready] been chewed
6. (business management) activity-based costing
7. American-born Chinese
8. African Basketball Confederation
9. ABC (B), a Belgian car market
10. Atlanta, Birmingham & Coast Railroad
11. aural brevity code
12. atomic, biological, and chemical
13. American Book Center
14. ABC ( Brazil ) An acrostic for Saint Andre, Saint Bernardo and Saint Caetano, satellite cities around Sao Paulo City , a very important industrial area.
15. anything but Chardonnay

Noun

1. (US also ABCs) The alphabet.

   Do you know your ABCs?

2. A primer for teaching the Latin alphabet and first elements of reading.
3. The rudiments of any subject.

   the ABC of finance