- cisterna chyli
- cistern barometer
- cistern milk
- cistoscope
- cis trans isomer
- cis-trans isomer
- cis trans isomerism
- cis-trans -isomerism
- cis-trans isomerism
- cistron
- CISYC
- Citadel of Saladin
- citation analysis
- citation database
- citation index
- citation matrix
- citation order
- citation tone
- Citellus erythrogenys
- CITES
- CITF
- CITIC Pacific Special Steel Holdings
- CITIC Press
- cities along the Grand Canal
- Cities along the Yellow River in Ningxia Huizu Zizhiqu