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

  1. straggly,
  2. straight,
  3. straight a,
  4. straight and narrow,
  5. straight and narrow, the,
  6. straight arm lift,
  7. straight arrow,
  8. straight as an arrow,
  9. straight away,
  10. straight bat

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°.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.