right angle

noun

: the angle bounded by two lines perpendicular to each other : an angle of 90° or ¹/₂ π radians
right-angled adjective
or right-angle

Examples of right angle in a Sentence

A square has four right angles. Hold the nail at a right angle to the board. The two boards are joined at right angles to each other.
Recent Examples on the Web Scripps Oceanographic Being able to flip at right angles allowed an array of sensors to be set underwater on a very steady platform that could largely ignore the sea around it. David Szondy, New Atlas, 12 July 2024 If they are polarized, then the brightness will rise and fall — brightest when the filter aligns with the polarization, dimmest when the filter is at a right angle to the polarization. Kenneth Chang, New York Times, 3 June 2024 The trend is equally as cute with baby blue, like these right angle tips by nail artist and educator Bryony Howell. Mica Ricketts, refinery29.com, 29 Apr. 2024 The Farnsworth House, unlike the Seagram Building, is just poetry in right angles. Lily Moayeri, SPIN, 2 July 2024 See all Example Sentences for right angle 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'right angle.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of right angle was in the 15th century

Dictionary Entries Near right angle

Cite this Entry

“Right angle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/right%20angle. Accessed 27 Jul. 2024.

Kids Definition

right angle

noun
: an angle whose measure is 90° : an angle whose sides are perpendicular to each other
right-angled
ˈrīt-ˈaŋ-gəld
adjective
or right-angle
-gəl

More from Merriam-Webster on right angle

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