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

Derived forms: PCBs

Encyclopedia: PCB

• oxyacetylene
• oxyacetylene torch
• oxyacid
• Oxybelis
• oxybenzene
• oxybutyric acid
• oxycephaly
• oxycodone
• Oxydendrum
• Oxydendrum arboreum
• oxygen
• oxygen acid
• oxygen debt
• oxygen deficit
• oxygen mask
• oxygen tent
• oxygenase
• oxygenate
• oxygenation
• oxygenic
• oxygenise
• oxygenize
• oxyhaemoglobin
• oxyhemoglobin
• Oxylebius