The meaning of DIAGONAL is joining two vertices of a rectilinear figure that are nonadjacent or two vertices of a polyhedral figure that are not in the same face.

DIAGONAL definition: 1. A diagonal line is straight and sloping, not horizontal or vertical, for example joining two…. Learn more.

In geometry, a diagonal is a line segment joining two vertices of a polygon or polyhedron, when those vertices are not on the same edge. Informally, any sloping line is called diagonal.

A line segment joining one corner to another but is not an edge is called a diagonal. In other words, a diagonal is a line that connects the opposite vertices of a polygon. Learn the …

Diagonal definition: connecting two nonadjacent angles or vertices of a polygon or polyhedron, as a straight line.. See examples of DIAGONAL used in a sentence.

In geometry, a diagonal is a straight line that joins two opposite corners in a flat four-sided shape such as a square. Mark five points an equal distance apart along the diagonals. Collins …

1. a. connecting two nonadjacent angles or vertices of a polygon or polyhedron: a diagonal line. b. extending from one edge of a solid figure to an opposite edge: a diagonal plane. 2. having an …

DIAGONAL meaning: 1 : joining two opposite corners of a shape (such as a square or rectangle) especially by crossing the center point of the shape; 2 : not going straight across or up and down

Definition of diagonal adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

A diagonal is a line segment connecting the opposite vertices or the non-adjacent vertices of a polygon. Learn about the diagonals of polygons, examples, & more.