We found 27 dictionaries that define the word right angle:

General (19 matching dictionaries)

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

Art (1 matching dictionary)

18. right angle: ArtLex Lexicon of Visual Art Terminology

Business (1 matching dictionary)

19. Construction Term Glossary (No longer online)

Computing (1 matching dictionary)

20. right angle: Encyclopedia

Science (4 matching dictionaries)

21. A Glossary of Mathematical Terms (No longer online)
22. Right Angle: Eric Weisstein's World of Mathematics
23. right angle, right angle: PlanetMath Encyclopedia
24. How Many? A Dictionary of Units of Measurement (No longer online)

Slang (1 matching dictionary)

25. Right Angle: Urban Dictionary

(Note: See right-angle as well.)

Definitions from Wiktionary (right angle) ▸ noun:  (geometry) Half of the angle formed by a single straight line, equivalent to 90 degrees. ▸ noun:  (mathematics) An ∟ character. Similar: quadrant, straight angle, plane angle, vertical angle, acute angle, solid angle, angle, complete angle, round angle, full angle, more... Types: acute, obtuse, straight, more... Phrases: right angle bracket, right angle tube, at a right angle, one of 90 in a right angle, right angle joint, more... Adjectives: right, nephroid, reflex, angular, cycloid, complementary, concyclic, acute, oblique, salient, evolute ▸ Words similar to right angle ▸ Usage examples for right angle ▸ Idioms related to right angle ▸ Wikipedia articles (New!) ▸ Words that often appear near right angle ▸ Rhymes of right angle ▸ Invented words related to right angle