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right triangle
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noun
a triangle having a right angle (contrasted with oblique triangle).
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Origin of right triangle
First recorded in 1920–25
Words nearby right triangle
right-to-know, right-to-life, right-to-work, right-to-work law, right-to-work laws, right triangle, right up one's alley, rightward, rightwards, right whale, right wing
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use right triangle in a sentence
British Dictionary definitions for right triangle
right triangle
noun
US and Canadian a triangle one angle of which is a right angleAlso called (in Britain and certain other countries): right-angled triangle
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
Scientific definitions for right triangle
right triangle
A triangle having a right angle.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for right triangle
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.