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°.

Nearby words

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

Origin of straight angle

First recorded in 1595–1605

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for straight angle

straight angle

noun

an angle of 180°

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for straight angle

straight angle

[ strāt ]

An angle having a measure of 180°.