- circuit axiom of matroid
- circuit basis
- circuit connected
- circuit eliminate axiom
- circuit gain
- circuit matrix
- circuit matroid
- circuit of a matroid
- circuit postulate
- circuit problem
- circuit switching
- circulant graph
- circulant matrix
- circular arc
- circular argument
- circular cone
- circular cone
- circular conical helix
- circular conoid
- circular conoid
- circular cylinder
- circular cylindrical surface
- circular definition
- circular disc iterative method
- circular domain