We found 19 dictionaries that define the word obtuse angle:

General (14 matching dictionaries)

1. obtuse angle: Longman Dictionary of Contemporary English
2. obtuse angle: American Heritage Dictionary of the English Language
3. obtuse angle: Vocabulary.com
4. obtuse angle: Wordnik
5. obtuse angle: Wiktionary
6. obtuse angle: Infoplease Dictionary
7. obtuse angle: Dictionary.com
8. Obtuse angle: Wikipedia, the Free Encyclopedia
9. obtuse angle: Rhymezone
10. obtuse angle: FreeDictionary.org
11. obtuse angle: Mnemonic Dictionary
12. obtuse angle: TheFreeDictionary.com

Art (1 matching dictionary)

13. obtuse angle: ArtLex Lexicon of Visual Art Terminology

Computing (1 matching dictionary)

14. obtuse angle: Encyclopedia

Science (3 matching dictionaries)

15. A Glossary of Mathematical Terms (No longer online)
16. Obtuse Angle: Eric Weisstein's World of Mathematics
17. obtuse angle, obtuse angle: PlanetMath Encyclopedia

(Note: See obtuse_angles as well.)

Definitions from Wiktionary (obtuse angle) ▸ noun:  (mathematics, geometry) An angle that is greater than 90 degrees and less than 180 degrees. Similar: acute angle, oblique angle, reflex angle, right angle, oblique, straight angle, complete angle, opposite angle, vertical angle, hyperbolic angle, more... Opposite: acute angle, narrow angle, sharp angle Adjectives: right, nephroid, angular, reflex, cycloid, complementary, net, acute, concyclic, salient, focal ▸ Words similar to obtuse angle ▸ Usage examples for obtuse angle ▸ Idioms related to obtuse angle ▸ Wikipedia articles (New!) ▸ Words that often appear near obtuse angle ▸ Rhymes of obtuse angle ▸ Invented words related to obtuse angle