1. The internal counterintelligence agency of the Russian Federation and successor to the Soviet KGB; formerly led by Vladimir Putin
   - FSB, Federal Security Service

Type of: Russian agency

• chlordiazepoxide
• chlorella
• chlorenchyma
• chlorhexidine
• chloric
• chloric acid
• chloride
• chloride of lime
• chlorinate
• chlorinated lime
• chlorination
• chlorine
• chlorine dioxide
• chlorine water
• chlorinity
• Chloris
• Chloris gayana
• Chloris truncata
• chlorite
• chloro-
• chloroacetophenone
• chlorobenzene
• chlorobenzylidenemalononitrile
• Chlorococcales
• Chlorococcum