A coaxal system is a system of coaxal circles. A spectacular example is the set of circles (circumcircle, nine-point circle, orthocentroidal circle, orthoptic circle of the Steiner inellipse, polar circle, tangential circle) that is pairwise coaxal with the orthic axis.
Coaxal System
See also
Coaxal Circles, Midcircle, Poncelet's Coaxal Theorem, Radical LineExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Coaxal System." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/CoaxalSystem.html