- curved lever
- curved line
- curved path
- curved plate
- curved spanner
- curved surface
- curved track
- curved trashrack
- curved wood
- curved wrench
- curved-rib
- curves
- curvilinear angle
- curvilinear coordinate
- curvilinear coordinates
- curvilinear coordinator
- curving
- curving machine
- crest gate
- crest level
- crest ratio
- crest value
- crest voltage
- crevassing
- crevice
- crew
- cribwork
- crimped fiber
- crimped fibre
- crimper tool
- crimps
- crinkly
- cripple
- crippling
- crippling stress
- crispness
- critical
- critical activity
- critical area
- critical circle
- critical coupling
- critical curve
- critical density
- critical discharge
- critical disk
- critical flow
- critical force
- critical humidity
- critical incident
- critical mass
- critical material
- critical path
- critical point
- critical range
- critical region
- critical resistance
- critical section
- critical slope
- critical temperature
- critical value
- critical voltage
- critical wavelength
- crizzled finish
- crock
- crockery ware
- crocodile clip
- cropper
- cropping machine
- cross
- cross anticline
- cross axis
- cross beam
- cross bending
- cross bombardment
- cross brace
- cross bracing
- cross correlation
- cross coupling
- cross cutter
- cross cutting
- cross dike
- cross drift
- cross fall
- cross flow
- cross gangway
- cross handle
- cross modulation
- cross motion
- cross piece
- cross pitch
- cross point
- cross polarization
- cross profile
- cross ratio
- cross rib
- cross slope
- cross staff
- cross talk
- cross union
- cross wall