Definition: An item in a graph. Sometimes referred to as a node.

Specialization (... is a kind of me.)
cut vertex, free vertex, matched vertex, Steiner vertex.

Aggregate child (... is a part of or used in me.)
in-degree, out-degree.

See also edge, vertex coloring, vertex cover.

Note: The plural is vertices. Another plural is vertexes.

Author: PEB

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Entry modified 19 April 2004.
HTML page formatted Wed Mar 13 12:42:46 2019.

Cite this as:
Paul E. Black, "vertex", in Dictionary of Algorithms and Data Structures [online], Paul E. Black, ed. 19 April 2004. (accessed TODAY) Available from: