Carolina Regina (Latin: Queen Caroline)
• Carolus Rex (Latin: King Charles)
• carriage return
• carrier's risk
• cash receipts
• central railway
• central registry
• Chief Ranger
• Med. chronic rejection
• Civis Romanus (Latin: Roman citizen)
• (USA ) Commendation Ribbon
• Anglican Church Community of the Resurrection
• company's risk
• Med. complete regression (or remission)
• Engineering compression ratio
• Med. computed radiography
• Chem. concentration ratio
• Psychol. conditioned reflex (or response)
• conference report
• Congo red (dye and chemical indicator)
• (USA ) consciousness raising
• control relay
• cosmic rays
• Costa Rica (abbrev. or IVR)
• credit
• credit rating
• credit report
• Statistics critical ratio
• postcode for Croydon
• current rate
• Custos Rotulorum (Latin: Keeper of the Rolls)
• British vehicle registration for Portsmouth
• international civil aircraft marking for Portugal