- chain link
- chain load
- chain molecules
- chain printer
- chain pump
- Chain rule
- chain run
- chain screen
- chain sling
- chain tack
- chain tape
- chain transmission
- chained access
- chaining error
- chair
- chaise-lounge
- chalaza
- chalcanthite
- chalk marl
- chalk rock
- chalk stone
- chalky
- chamber
- chamber drier
- chamber furnace
- chamber kiln
- chambered deposit
- chambers
- chamfer
- chamfer edge
- chamfer stencil
- chamfered joint
- chamfering machine
- chamotte
- chance
- chance causes
- chance move
- chance variation
- chancery
- chandelier
- change
- change character
- change file
- change name
- change sign
- change tape
- change-gear
- change-over
- changeable
- changeable device
- changeover
- changeover switch
- changer
- changing load
- changing room
- channel allocation
- channel amplifier
- channel balancing
- channel bending
- channel capacity
- channel iron
- channel isolation
- channel revenue
- channel sample
- channel selector
- channel separation
- channel tile
- channeling
- channeling cutter
- channelizing
- channelled
- channeller
- channelling
- chaos
- chaotic
- chap
- chapter
- character addressable
- character boundary
- character density
- character group
- character machine
- character map
- character packing
- character pattern
- character position
- character recognition
- character row
- character sequence
- character signal
- character string
- character type
- character width
- characteristic admittance
- characteristic length
- characteristic quantitive
- characteristic vibration
- charge
- charge anchor
- charge density