A.F.
1. Air Force.
2. Anglo-French.
3. audio frequency.
* * *
prefix. the form of
ad- (
Cf. ↑
ad-) before
f, as in
affix.
a.f.,
audio frequency.
Af.,
1. Africa.
2. African.
1. Air Force, especially the United States Air Force.
2. Anglo-French.
3. audio frequency.
4. autofocus in a camera.
Useful english dictionary.
2012.
