The meaning of the Acronym AF is...

AF is

• Acid-Fast
• Adult Female
• Amniotic Fluid
• Aortic Flow
• Atrial Fibrillation
• Atrial Flutter
• Asked For
• Anti-Fatigue
• Attenuation Factor

More Meanings For AF:

• Advanced Functions
• Application Framework
• Auto Finish
• Audio Frequency
• Authority File
• Authentication Framework
• Active Frame
• Assured Forwarding
• Audio Frequency
• Aluminum Frame
• Augmented Formulation
• Anistropic Filtering
• Automatic Filter
• Audio Frequency
• Anti-Fall

AF is also in:

• Amateur Radio
• Architecture
• Assembly
• Chemistry
• Electronics
• General
• Geology
• Software
• Telecom