en.wikipedia.org/wiki/Vertex_(graph_theory)

In mathematics, and more specifically in graph theory, a vertex (plural vertices) or node is the fundamental unit of which graphs are formed: an undirected graph ...

www.dictionary.com/browse/vertices

(maths). the point opposite the base of a figure; the point of intersection of two sides of a plane figure or angle; the point of intersection of a pencil of lines or three ...

www.mathsisfun.com/definitions/vertices.html

Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

www.mathsisfun.com/geometry/vertices-faces-edges.html

Vertices, Edges and Faces. Vertex, Edge and Face A vertex is a corner. An edge is a line segment that joins two vertices. A face is an individual surface.

www.yourdictionary.com/vertices

Vertices is defined as the highest point or the point where two lines intersect. An example of vertices are the tops of mountains. An example of vertices are the ...

www.mathopenref.com/vertex.html

Vertex definition: Various subtly different definitions of a vertex.