We found 11 dictionaries that define the word circular functions:

General (9 matching dictionaries)

1. circular functions: Merriam-Webster
2. circular functions: Collins English Dictionary
3. circular functions: Vocabulary.com
4. circular functions: Wordnik
5. circular functions: Wiktionary
6. Circular functions: Dictionary.com
7. Circular functions: Wikipedia, the Free Encyclopedia
8. circular functions: FreeDictionary.org
9. Circular functions: TheFreeDictionary.com

Computing (1 matching dictionary)

10. circular functions: Encyclopedia

Science (1 matching dictionary)

11. Circular Functions: Eric Weisstein's World of Mathematics

(Note: See circular_function as well.)

Definitions from Wiktionary (circular function) ▸ noun:  (trigonometry) Synonym of trigonometric function ▸ Also see circular_function ▸ Words similar to circular functions ▸ Usage examples for circular functions ▸ Idioms related to circular functions ▸ Wikipedia articles (New!) ▸ Words that often appear near circular functions ▸ Rhymes of circular functions ▸ Invented words related to circular functions