1. A dye used as an acid-base indicator
   - bromophenol blue, bromphenol blue

Type of: acid-base indicator, dye, dyestuff

• powerwash
• Powhatan
• powwow
• Powys
• pox
• poxvirus
• poxy
• Poyang
• poyou
• Pozsony
• pozzolana
• pp
• PPK
• PPLO
• ppm
• PPP
• PPS
• PQ
• Pr
• PR man
• practicability
• practicable
• practicableness
• practicably
• practical