1. [Brit] Advisory, Conciliation and Arbitration Service 
2. Airborne Collision Avoidance System

Encyclopedia: ACAS

• Philip Dormer Stanhope
• Philip II
• Philip II of Macedon
• Philip II of Spain
• Philip Marlowe
• Philip Michael Ondaatje
• Philip Milton Roth
• Philip of Valois
• Philip Roth
• Philip V
• Philip VI
• Philip Warren Anderson
• Philipp Lenard
• Philipp Melanchthon
• Philipp Schwarzerd
• Philippi
• Philippian
• Philippians
• philippic
• Philippine
• Philippine cedar
• Philippine Islands
• Philippine mahogany
• Philippine monetary unit
• Philippine peso