- control memory
- control post
- control rocket
- control room
- control scheme
- control segment
- control space
- control station
- control tape
- control time
- control total
- control volume
- control word
- controllability
- controlled condition
- controlled drainage
- controller
- controlling device
- conular
- convection cooling
- convection drying
- convection precipitation
- convectron
- convegence circuits
- convenience
- convenience food
- conventional concrete
- conventional milling
- conventional series
- conventional type
- converent strabismus
- convergence
- convergence coil
- convergence point
- convergent bundle
- convergent die
- convergent magnet
- convergent point
- converging tube
- conversational mode
- converse
- conversion
- conversion chart
- conversion gain
- conversion operator
- conversion transconductance
- conversotional frequencies
- converter box
- converter charge
- converter housing
- converting documents
- convex angle
- convex camber
- convex function
- convex lens
- convexo-convex
- conveyance
- conveying belt
- convolution
- convolutive code
- cooker
- cool brine
- cool storage
- cool-off
- coolant temperature
- cooled anode
- cooled section
- cooler area
- cooling agent
- cooling chamber
- cooling coefficient
- cooling demand
- cooling draft
- cooling effect
- cooling facilities
- cooling fin
- cooling flanges
- cooling level
- cooling load
- cooling performance
- cooling plant
- cooling process
- cooling range
- cooling section
- cooling strain
- cooling surface
- cooling temperature
- cooling tonnage
- cooling unit
- cooling vessel
- cooling water
- cooling zone
- coolness
- coom
- cooperation
- cooperative phenomenon
- coordinate angle
- coordinate axes
- coordinate function
- coordinate graph