1. In the Christian era; used before dates after the supposed year Christ was born
   - AD, A.D., year of our Lord

Encyclopedia: Anno Domini

• functional magnetic resonance imaging
• functionalise
• functionalism
• functionalist
• functionality
• functionalize
• functionally
• functionally illiterate
• functionary
• functioning
• fund
• fund-raising campaign
• fund-raising drive
• fund-raising effort
• fundament
• fundamental
• fundamental analysis
• fundamental frequency
• fundamental interaction
• fundamental law
• fundamental measure
• fundamental particle
• fundamental principle
• fundamental quantity
• fundamentalism