straight angle

noun

the angle formed by two radii of a circle that are drawn to the extremities of an arc equal to one half of the circle; an angle of 180°.

Origin of straight angle

First recorded in 1595–1605

Words nearby straight angle

straggly, straight, straight a, straight and narrow, straight and narrow, the, straight angle, straight arm lift, straight arrow, straight as an arrow, straight bat, straight bill of lading

British Dictionary definitions for straight angle

straight angle

noun

an angle of 180°

Scientific definitions for straight angle

straight angle
[ strāt ]

An angle having a measure of 180°.