| cipote | Schlange |
| cipresal | Zypressenhain |
| Ciprian Marica | Ciprian Marica |
| Cipriano | Kiprian |
| Cipriano Castro | Cipriano Castro |
| Cipriano de Cartago | Cyprian von Karthago |
| Cipriano de Rore | Cyprian de Rore |
| ciprino dorado | Goldfisch |
| ciprés | Zypresse |
| Cipselo | Kypselos |
| circadiano | zirkadian |
| Circaetinae | Schlangenadler |
| Circaetus gallicus | Schlangenadler |
| Circe | Kirke |
| Circinus | Zirkel |
| Circle Line | Circle Line |
| circo | Zirkus |
| Circo de Gavarnie | Cirque de Gavarnie |
| Circo glacial | Kar |
| Circo glaciar | Kar |
| Circo Máximo | Circus Maximus |
| Circo romano | Zirkus |
| circona | Zirkoniumdioxid |
| circona cúbica | Zirkon |
| circonio | Zirkon |
| Circuit de Spa-Francorchamps | Spa-Francorchamps |
| Circuit Gilles Villeneuve | Circuit Gilles Villeneuve |
| Circuit RC | RC-Glied |
| circuito | Schaltung |
| Circuito analógico | Analogtechnik |
| Circuito callejero de Adelaida | Adelaide |
| Circuito callejero de Phoenix | Phoenix |
| Circuito cerrado de televisión | Überwachungskamera |
| Circuito de Cataluña | Circuit de Catalunya |
| Circuito de Indianápolis | Indianapolis Motor Speedway |
| Circuito de la Sarthe | Circuit de la Sarthe |
| Circuito de Mónaco | Circuit de Monaco |
| Circuito de Nevers Magny-Cours | Circuit de Nevers Magny-Cours |
| Circuito de Papez | Papez-Kreis |
| Circuito de Silverstone | Silverstone Circuit |
| Circuito de Suzuka | Suzuka International Racing Course |
| Circuito de Zandvoort | Circuit Park Zandvoort |
| Circuito del Jarama | Circuito del Jarama |
| Circuito eléctrico | Elektrische Schaltung |
| Circuito impreso | Leiterplatte |
| Circuito integrado | Integrierter Schaltkreis |
| Circuito integrado auxiliar | Chipsatz |
| Circuito Internacional de Bahréin | Bahrain International Circuit |
| Circuito Internacional de Sepang | Sepang International Circuit |
