There are 2 definitions of AP in English:

AP1

Syllabification: AP

abbreviation

1Advanced placement.
1.1American plan.
1.2Associated Press.

Definition of AP in:

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Word of the day animalcule
Pronunciation: ˌanəˈmalˌkyo͞ol
noun
a microscopic animal

There are 2 definitions of AP in English:

ap-2

Syllabification: ap-

prefix

Variant spelling of apo- before h (as in aphelion).

Definition of AP in: