- CCITT high level programming language
- ccompensation zone
- CCS
- CCTV
- CD
cd 900
- CD changer
- CD player
- CD record changer
- CD-ROM
- CD-ROM disc
- CD-ROM disk
- CDI
- CDI process
- CDMA
- CDR
- cease
- cease burning
- cease to function
- cease-fire
- ceaseless
- ceaselessly
- ceasium beam standard
- CECUA
- cecum
- cedar
- cede
- cedilla
- ceiling
- ceiling height
- ceiling height indicador

