- centipoise
- central heating
- central mass
- centralizer
- centrifugal cleaner
- centrifugal extractor
- centrifugal governor
- centrifugal ignition
- centrifugal separator
- centrifuge refining
- ceric
- cesspool
- cetaceum
- cetane index
- cetane number
- cetyl alcohol
- cetyl ether
- chailcocite
- chain adjuster
- chain belt
- chain bolt
- chain guard
- chain haulage
- chain joint
- chain length
- chain substitution
- chain tongs
- chalcostibite
- chamber blast
- chamber crystals
- chamber process
- channel bed
- charcoal filter
- charge bridge
- charging pump
- charging valve
- charnockite
- chase
- chavibetol
- check measurement
- cementation process
- cementer
- cementing materials
- centerless
- central strand
- centrifugal blower
- centrifugal method
- centrifugal sedimentation
- ceramic fuel
- cerium
- cerstal plane
- ceruse
- cessation reaction
- cevadine
- chailcosiderite
- chain case
- chain compound
- chain conveyor
- chain growth
- chain hoist
- chain isomerism
- chain link
- chain lubrication
- chain pump
- chain tightener
- chain work
- chalcogenide glass
- chalcone
- chalk cliff
- chalk formation
- chalk period
- chalkboard
- chalking
- chalky limestone
- chalybite
- chamber
- chambered
- chambering
- champak
- change ratio
- channel process
- charcoal steel
- charger man
- charging floor
- charging hopper
- charging stock
- chattain stage
- chatty ore
- chaulmoogra oil
- check analysis
- chalcopyrite
- chalk
- chalk putty
- chalky clay
- chalmersite
- chalybeate spring
- chamber acid
- chance observation
- channel black
- channel section