- cementitious materials
- cemf
- cenotypal
- censer
- census
- center
- center bit
- center cap
- center cut
- center frequency
- center hole
- center key
- center line
- center pin
- center plate
- center punch
- center puncher
- center rest
- center shaft
- center span
- centering
- centering bush
- centering coil
- centering drill
- centering machine
- centering sleeve
- centerpunch
- centesimal degree
- centigrade
- centigrade thermometer
- central
- central angle
- central axis
- central column
- central eruption
- central gangway
- central heating
- central meridian
- central office
- central projection
- central station
- central storage
- Central tendency
- centralize
- centralized design
- centralized network
- centralized routing
- centralizer
- centre gauge
- centre hole
- centre line
- centre pin
- centre point
- centre rest
- centre track
- centrical
- centrifugal apparatus
- centrifugal casting
- centrifugal compressor
- centrifugal fault
- centrifugal weight
- centring control
- centring lathe
- centring ring
- centripetal acceleration
- centroclinal dip
- centrode
- cephalocyst
- ceramic coating
- ceramic insulators
- ceramic machine
- ceramic ware
- ceramics
- cerebrale sinus
- ceremonial
- ceremonious
- ceremony
- Cerenkov counter
- cermet
- cermets
- certain
- certainly
- certainty
- certainty factor
- certificate
- certification
- certification mark
- certification review
- cervical duct
- cess-water
- cesspool
- cetane index
- cetane number
- cetene number
- chadless
- chaff
- chaffing
- chafing dish
- chain belt
- chain code