1. Various very stable chlorinated organic chemicals that can be dangerous environmental pollutants
   - PCB

Encyclopedia: Polychlorinated biphenyl

• battle-axe
• battle-scarred
• battledore
• battledore and shuttlecock
• battlefield
• battlefront
• battleful
• battleground
• battlement
• battlemented
• battler
• battleship
• battlesight
• battlewagon
• battue
• batty
• Batu Khan
• batwing
• bauble
• baud
• baud rate
• Baudelaire
• Bauhaus
• Bauhinia
• Bauhinia monandra