- conical plug
- conical trommel
- conical valve
- conacaste
- concealed outcrop
- concentrating coil
- concentration limit
- concentration shop
- concolvulin
- concordant intrusion
- concrete hardener
- concrete tank
- concretionary zone
- concurrent flow
- condensate pump
- condensation column
- condensation pump
- condensation screen
- condensation water
- condensed
- condenser cooler
- condensing agent
- condensing conduit
- condensing lens
- condensing rate
- conditional
- conducting polymer
- conduit box
- confirmation well
- conformable bed
- conformable stratification
- conformation
- compact
- compact limestone
- compensating jacket
- compensating ring
- compensating valve
- complete equilibrium
- complete processing
- complex
- complex compound
- complex structure
- composite carbide
- composite sample
- composition board
- compound crystal
- compound glass
- compound pendulum
- compound spirit
- compound turbine
- compound wall
- compounded oil
- compression plant
- compression process
- compression release
- compression space
- compression testing
- compression wave
- conicine
- coniine
- coning
- conjugate fracture
- conjugate resonance
- conjugate slip
- conjugate solution
- conjugated bond
- conjugated group
- conjugated system
- connate water
- connecting branch
- connecting flange
- connecting gear
- connecting pipe
- connecting shaft
- connecting sleeve
- connecting spool
- connection gas
- connector
- conradson carbon
- consequent divide
- conservative distillation
- concentration column
- concluding stage
- concrete antifreezer
- concrete spreader
- condensable gas
- condensate flash
- condensate temperature
- condensation line
- condensation polymerization
- condensation reaction
- condensation tube
- condensed milk
- condenser heat
- condensing medium
- condensing section
- condensing surface
- conducting salt
- confluence step
- conformability