- compensating developer
- complete purification
- compound state
- composite absorber
- composite lens
- compound compressor
- compound eyepiece
- compound motion
- compressibility
- compressibility drag
- compressible flow
- compression refrigerator
- concave mirror
- complementary color
- complex conjugate
- compliance
- component manufacture
- compound lens
- compressed
- conduct
- conductible
- concentricity tolerance
- condenser
- condenser lamp
- conduction
- conductive
- conductivity
- conductivity cell
- conductor vibration
- conical beaker
- conical flask
- condenser system
- condensing lens
- conductance
- conductibility
- conduction charges
- compass azimuth
- compensating filter
- complex sound
- compression plant
- conjoined pitches
- conjugate
- conjugate point
- consequential damage
- conservation force
- conservation laws
- concentration overvoltage
- concord
- conductance cell
- conductivity meter
- conductor
- congealing point
- consonance
- consonant
- constant torque
- constantly
- constitutive equations
- constrained motion
- constrained oscillation
- constraining force
- contact print
- contactor
- conteivance
- contact force
- contact negative
- contact printer
- contact printing
- containment
- continuous transport
- convection
- conventional takeoff
- converge
- convergent
- converging
- conversion oil
- Coolidge tube
- continuous spectrum
- contour line
- contour milling
- contrast reduction
- control task
- convection chamber
- convectional
- conversion oscillator
- convex
- cooling cavity
- coplanar waveguide
- copper uranite
- copy camera
- copy stand
- copying stand
- copypod
- coracite
- control hierarchy
- convexo-plane
- convolution method
- contractor
- convective discharge
- conventional milling
- conversion