circ - cohe
- CIRC
- circa-rhythm
- circadian
- circadian rhythm
- circannual
- circannual rhythm
- circarhythm
- circle
- circle chart
- circle cutter
- circle diagram
- circle evolvent
- circle of confusion
- circle of marginal legibility
- circlotron
- circlotron amplifier
- circuit admittance
- circuit alarm
- circuit algebra
- circuit analysis
- circuit analyzer
- circuit arrangement
- circuit available signal
- circuit board
- circuit breaker
- circuit capacity
- circuit card
- circuit changer
- circuit chip
- circuit closed graph
- circuit compactor
- circuit compiler
- circuit component
- circuit conditioning
- circuit connected graph
- circuit controller
- circuit decomposition
- circuit design
- circuit designer
- circuit diagram
