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

Encyclopedia: ACAS

• potato scab bacteria
• potato skin
• potato tree
• potato tuber moth
• potato tuberworm
• potato vine
• potato wart
• potato wart fungus
• potato worm
• potato yellow dwarf
• potato yellow-dwarf virus
• potatory
• Potawatomi
• potbellied
• potbelly
• potbelly stove
• potboiler
• potbound
• potboy
• poteen
• Potemkin
• Potemkin village
• potence
• potency
• potent