Online Physics Glossary 
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Word 
Meaning 
Remarks 
Constant acceleration 
Acceleration that does not change in time.


Constant velocity 
Velocity that does not change in time.


Constructive interference 
Superposition of waves resulting in a combined wave with amplitude larger than the component waves.


Convection 
Heat transfer by means of motion of fluid.


Conventional current 
Motion of positive electrical current.


Converging lens 
Lens that causes light rays to converge; usually a convex lens.


Convex lens 
Lens that is thicker in the center than at edges.


Convex mirror 
Diverging mirror. Center of curvature is on side opposite reflecting side of mirror.


Cosine 
The ratio of the adjacent side to the hypotenuse.


Coulomb 
Unit of electrical charge. Charge caused by flow of one ampere for one second.


Crest of wave 
High point of wave motion.


Critical angle 
Minimum angle of incidence that produces total internal reflection.


Crystal lattice 
Structure of solid consisting of regular arrangment of atoms.



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