Diagraph vs. Graph

Difference Between Diagraph and Graph
Diagraphnoun
(dated) A drawing instrument that combines a protractor and scale.
Graphnoun
A data chart (graphical representation of data) intended to illustrate the relationship between a set (or sets) of numbers (quantities, measurements or indicative numbers) and a reference set, whose elements are indexed to those of the former set(s) and may or may not be numbers.
Graphnoun
(mathematics) A set of points constituting a graphical representation of a real function; (formally) a set of tuples , where for a given function .
Graphnoun
(graph theory) (formally) An ordered pair of sets , where the elements of are called vertices or nodes and is a set of pairs (called edges) of elements of ; (less formally) a set of vertices (or nodes) together with a set of edges that connect (some of) the vertices.
Graphnoun
(topology) A topological space which represents some graph (ordered pair of sets) and which is constructed by representing the vertices as points and the edges as copies of the real interval [0,1] (where, for any given edge, 0 and 1 are identified with the points representing the two vertices) and equipping the result with a particular topology called the graph topology.
Graphnoun
A morphism from the domain of to the product of the domain and codomain of , such that the first projection applied to equals the identity of the domain, and the second projection applied to is equal to .
Graphnoun
A graphical unit on the token-level, the abstracted fundamental shape of a character or letter as distinct from its ductus (realization in a particular typeface or handwriting on the instance-level) and as distinct by a grapheme on the type-level by not fundamentally distinguishing meaning.
Graphverb
(transitive) To draw a graph.
Graphverb
To draw a graph of a function.
Graphnoun
a drawing illustrating the relations between certain quantities plotted with reference to a set of axes
Graphverb
represent by means of a graph;
chart the dataGraphverb
plot upon a graph