Schläfli Symbol
The symbol 
is used to denote a Tessellation of regular 
-gons, with 
of them surrounding eachVertex. The Schläfli symbol can be used to describe Platonic Solids,and a generalized version describes Quasiregular Polyhedra and ArchimedeanSolids.
- Critical Strip
- Crook
- Crookedness
- Cross
- Cross-Cap
- Cross-Correlation
- Cross-Correlation Coefficient
- Cross-Correlation Theorem
- Cross Curve
- Crossed Ladders Problem
- Crossed Trough
- Cross Fractal
- Crossing Number (Graph)
- Crossing Number (Link)
- Cross of Lorraine
- Cross Polytope
- Cross Product
- Cross-Ratio
- Cross-Section
- Crout's Method
- Crowd
- Crown
- Crucial Point
- Cruciform
- Crunode