- coexact sequence
- coexistence model
- coffer ketxon
- cograduation
- cohere
- coherent pulses
- coherent sheaf
- coherent signal
- coherer
- cohomology group
- cohomology ring
- coideal
- coin
- coincidence counter
- coincidence formula
- coincidence gate
- coincidence number
- coincident group
- cold fault
- cold front
- cold restart
- collection
- collector capacitance
- collector current
- collector region
- collector voltage
- collinear forces
- collinear solution
- collineation
- collision
- collision enforcement
- coexistence
- coexisting segment
- cofibered sum
- cofibration
- cofunction
- cogency
- cognitive architecture
- COGO
- cogradiency
- cogradiently
- coherent detector
- cohomology
- cohomology dimension
- cohomology sequence
- cohomotogy
- coincidence
- coincidence circuit
- coincidence correction
- coincidence element
- coincidence error
- coition
- colander
- colatitude
- cold boot
- cold booting
- cold cathode
- cold control
- cold standby
- cold start
- collaboration
- collapsible form
- collar
- collating
- collating sequence
- collation
- collator
- collect call
- collectively
- collector modulation
- collector resistance
- collieation group
- collinear points
- collineatory transformation
- color bits
- color button
- color cycling
- color flicker
- COLLINEAR TRANSFORMATION
- color balance
- color control
- color correction
- color corrector
- color decoder
- color display
- color facsimile
- color fidelity
- color graphics
- color index
- color keying
- color killer
- color matrix
- color reproduction
- color scanner
- color sensitivity
- color shift
- color subcarrier
- color television
- colorization
- colour adaptor