plural
ABCs
or
ABC's
plural
ABCs
or
ABC's
Britannica Dictionary definition of ABC
1
:
the letters of the English alphabet
[plural]
[singular]
2
:
the most basic or important information about a subject
[plural]
[singular]
(as) easy as ABC
—
see 1easy
2
ABC
abbreviation
Britannica Dictionary definition of ABC
1
American Broadcasting Corporation
◊ ABC is one of the major television networks in the U.S.
2
Australian Broadcasting Corporation