The meaning of the Acronym AM is...

AM is

• Ante Meridiem
• Anno Mundi

More Meanings For AM:

• Access Method
• Automatic Margins
• Application Manager
• Agile Modeling
• Anti-Module
• Automated Mathematician
• Advance Mobile
• Anytime Maybe
• Antagonistic Message
• Americium
• Americium
• Ante Meridiem (before noon)
• Amplitude Modulation
• Analog Modeling
• Air Mass

AM is also in:

• Chat
• Chemistry
• Electronics
• General
• Meteorology
• Software
• Telecom