- (mathematics) A diagram displaying data, in particular one showing the relationship between two or more variables; specifically, for a function <math>f(x_1, x_2, \ldots, x_n)</math>, the set of all tuples <math>(x_1, x_2, \ldots, x_n, f(x_1, x_2, \ldots, x_n))</math>.
- (graphtheory) An ordered pair <math>(V,E)</math>, where <math>V</math> is a set of elements called vertex, vertices (or nodes) and <math>E</math> is a set of pairs of elements of <math>V</math>, called edges; informally, a set of vertices together with a set edges that join these vertices.
Etymology: Shortening of graphic formula.
- Dutch: graaf(nl)
- French: graphe(fr)m
- German: Graph(de)m
- Italian: grafo(it)m
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