Af.

1. Africa.

2. African.

* * *

af-,

prefix. the form of ad- (Cf. ↑ad-) before f, as in affix.

a.f.,

audio frequency.

Af.,

1. Africa.

2. African.

AF (no periods),

1. Air Force, especially the United States Air Force.

2. Anglo-French.

3. audio frequency.

4. autofocus in a camera.