We found 23 dictionaries that define the word right triangle:

General (16 matching dictionaries)

1. right triangle: Longman Dictionary of Contemporary English
2. right triangle: Merriam-Webster
3. right triangle: Oxford Learner's Dictionaries
4. right triangle: Collins English Dictionary
5. right triangle: Vocabulary.com
6. right triangle: Cambridge Advanced Learner's Dictionary
7. right triangle: Wiktionary
8. right triangle: The Wordsmyth English Dictionary-Thesaurus
9. right triangle: Infoplease Dictionary
10. right triangle: Dictionary.com
11. Right triangle: Wikipedia, the Free Encyclopedia
12. right triangle: Rhymezone
13. right triangle: FreeDictionary.org
14. right triangle: Mnemonic Dictionary
15. right triangle: TheFreeDictionary.com

Business (2 matching dictionaries)

16. Construction Term Glossary (No longer online)
17. right triangle: Financial dictionary

Computing (1 matching dictionary)

18. right triangle: Encyclopedia

Medicine (1 matching dictionary)

19. right triangle: Medical dictionary

Science (3 matching dictionaries)

20. A Glossary of Mathematical Terms (No longer online)
21. Right Triangle: Eric Weisstein's World of Mathematics
22. right triangle, right triangle: PlanetMath Encyclopedia

(Note: See right_triangles as well.)

Definitions from Wiktionary (right triangle) ▸ noun:  (geometry) A triangle having a right angle as one of its interior angles. Similar: right-angled triangle, right trapezoid, acute triangle, acute-angled triangle, orthogon, right angle, straight angle, Reuleaux triangle, ideal triangle, hyperrectangle, more... Opposite: obtuse, acute Phrases: right angled triangle, isosceles right triangle, Special right triangle, Fermat's right triangle theorem, more... ▸ Words similar to right triangle ▸ Usage examples for right triangle ▸ Idioms related to right triangle ▸ Wikipedia articles (New!) ▸ Words that often appear near right triangle ▸ Rhymes of right triangle ▸ Invented words related to right triangle