A complete multipartite graph is a graph that is a complete k-partite graph for some positive integer (Chartrand and Zhang 2008, p. 41).
Complete Multipartite Graph
See also
Complete k-Partite GraphExplore with Wolfram|Alpha
References
Chartrand, G. and Zhang, P. Chromatic Graph Theory. Boca Raton, FL: Chapman and Hall/CRC, 2008.Cite this as:
Weisstein, Eric W. "Complete Multipartite Graph." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/CompleteMultipartiteGraph.html