calibration factor
• international civil aircraft marking for Canada
• Canadian Forces
• capacity factor
• Cardiff (postcode or British fishing port registration)
• Commerce carriage forward
• centre of flotation
• Chaplain to the Forces
• charcoal-filtered
• Comédie Française (French national theatre)
• Commonwealth Fund
• symbol for Comorian franc (monetary unit of Comoros)
• compensation fee
• Med. conventional fractionation radiotherapy
• Corresponding Fellow
• cost and freight
• Chem. crystal field (as in CF theory )
• Med. cystic fibrosis
• airline flight code for Faucett Peruvian Airlines
• British vehicle registration for Reading