- chain tape
- chaining arrow
- chainwinder
- chair
- chalcedony concretion
- chalk marl
- chalkboard
- chalky
- challenge
- chamber charge
- chamber pump
- chambered
- chambered level
- chamfer
- chamfer stencil
- chamfer strips
- chamfered angle
- chammotte refractory
- chamotte
- champion
- chance
- chancery
- chandelier
- chandlery
- change
- changeable device
- channel beam
- channel block
- channel column
- channel depeter
- channel iron
- channel roughness
- channel support
- channel tile
- channel-shaped
- channeled plate
- channeling island
- channelization island
- channelizing island
- channelling
- chantry chapel
- chaplet crown
- character recognition
- charge
- charge chamber
- charge density
- charge loss
- charge rate
- charger
- charging arm
- charging hopper
- charging panel
- chart
- chart datum
- chassis
- chassis ground
- cheapen
- check analysis
- check calculation
- check summation
- chalet
- chalk stratum
- chalky clay
- chamfer angle
- chamfer stop
- chamfered edge
- chamfering
- chandelier clamps
- chanelizing island
- change station
- changing
- channel bar
- channel rail
- channel revetment
- channel scour
- channel section
- channel shape
- channel slab
- channel spillway
- character generator
- character printer
- character set
- characteristic properties
- characteristic strength
- characteristics
- charge conditioning
- charging
- charging dynamo
- charging hospital
- charging rheostat
- charging set
- charnel bar
- chart menu
- charter
- check base
- check bit
- check box
- check experiment
- check gate
- check valve