- Capital expenditure
- capstan saddle
- captive screw
- by-level
- by-work
- bypass filter
- cabinet
- cable car
- cable clip
- cable shackle
- cable twist
- calculated head
- calculus
- calibrated
- calliper
- callipering
- cam-ground
- cambered
- camograph
- camouflage paint
- camshaft bearing
- cable shaft
- calculation data
- caloric engine
- caloricity
- calorimetric analysis
- cam controller
- cam follower
- cam milling
- cam roller
- cam slot
- cam turning
- cambering machine
- camshaft box
- canal aqueduct
- canal reach
- cantilever
- cantilever spring
- cap bearing
- cap bolt
- cap nut
- cap rock
- canal
- canal river
- cantilever frame
- cap chisel
- cap screw
- capacity planning
- capacity rating
- capillary acting
- capillary elevation
- capillary face
- capillary phenomenon
- capital depreciation
- capstan
- capstan nut
- capstan slide
- capstan turning
- capsule stack
- captive nut
- car conveyor
- car heater
- car safety
- capacitor
- capillary flow
- capillary head
- capillary permeability
- capillary rise
- capstan crab
- captive nappe
- captured river
- carbon content
- carbonitriding
- carbonizing temperature
- carborundum closure
- carburetion
- carburizator
- carburizing machinery
- card
- cardanic suspension
- cargo crane
- carbide tip
- carbonizable
- carbonizer
- carbonizing machinery
- carburetor engine
- carburettor
- carcase
- carcass
- cardioid
- care
- carrying block
- carrying case
- cartographic document
- cartridge
- carver
- carving chisel
- case hardening
- case-harden
- cased hole