Chem. calcium silicate
• capital stock
• carbon steel
• Biochem. casein
• cast steel
• Certificate in Statistics
• Chartered Surveyor
• Chemical Society
• Chief of Staff
• Chief Secretary
• Computing chip select
• Christian Science (or Scientist)
• City Surveyor
• civil servant
• Civil Service
• Clerk of Session
• Clerk to the Signet
• Med. clinical stage
• close shot
• close support
• College of Science
• Mining colliery screened
• Common Serjeant
• Physics composite superconductor
• Physics Compton scattering
• Psychol. conditioned stimulus
• (USA ) Confederate States
• RC Church Congregation of Salesians
• Physics coolant system
• Cooperative Society
• cotton seed
• County Surveyor
• Court of Session
• British fishing port registration for Cowes
• credit sales
• cruiser squadron
• Custos Sigilli (Latin: keeper of the seal)
• British vehicle registration for Glasgow
• international civil aircraft marking for Portugal
• see CS gas