- chalone
- Chalukouporphyry molybdenum deposit
- Cham
- chama
- Chamaeleon
- chamaephytes
- Chamber
- chamber
- chamber and slot classifier
- chamber blasting
- chamber complex
- chambered nautilus
- chamber excavating
- chamber inking device
- Chamberlain
- chamberlain for attendants
- chamberlain for imperial insignia
- chamberlain for the palace garrison
- Chamberlain, Owen
- Chamberlin crater
- chamber music
- chamber of commerce
- chamber opera
- chamber oxygen analyzer
- chamber process