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right angle

 
Dictionary: right angle
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right angle
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right angle
(Academy Artworks)

n.
An angle formed by the perpendicular intersection of two straight lines; an angle of 90°.


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Architecture: right angle
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An angle of 90°.

Science Dictionary: right angle
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An angle measuring ninety degrees, formed by the intersection of two perpendicular lines. (Compare acute angle and obtuse angle.)

WordNet: right angle
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Note: click on a word meaning below to see its connections and related words.

The noun has 2 meanings:

Meaning #1: the 90 degree angle between two perpendicular lines
  Antonym: oblique angle (meaning #1)

Meaning #2: a quarter of the circumference of a circle
  Synonym: quadrant

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Copyrights:

Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.  Read more
Architecture. McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc. All rights reserved.  Read more
Science Dictionary. The New Dictionary of Cultural Literacy, Third Edition Edited by E.D. Hirsch, Jr., Joseph F. Kett, and James Trefil. Copyright © 2002 by Houghton Mifflin Company. Published by Houghton Mifflin. All rights reserved.  Read more
WordNet. WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved.  Read more