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

Encyclopedia: Polychlorinated biphenyl

• rabbit ears
• rabbit fever
• rabbit food
• rabbit hole
• rabbit hutch
• rabbit on
• rabbit punch
• rabbit test
• rabbit warren
• rabbit's-foot fern
• rabbit-eared bandicoot
• rabbit-sized
• rabbiteye
• rabbiteye blueberry
• rabbitfish
• rabbitry
• rabbitweed
• rabbitwood
• rabble
• rabble-rouser
• rabble-rousing
• Rabelais
• Rabelaisian
• Rabi I
• Rabi II