vertical angle

noun Geometry.

one of two opposite and equal angles formed by the intersection of two lines.

Origin of vertical angle

First recorded in 1565–75

Words nearby vertical angle

vertebrocostal trigone, vertebrosternal, vertex, vertex presentation, vertical, vertical angle, vertical angles, vertical banded gastroplasty, vertical circle, vertical combination, vertical divestiture

British Dictionary definitions for vertical angles

vertical angles

pl n

geometry the pair of equal angles between a pair of intersecting lines; opposite angles Also called: vertically opposite angles

Scientific definitions for vertical angles

vertical angles
[ vûr′tĭ-kəl ]

Two angles formed by two intersecting lines and lying on opposite sides of the point of intersection.