We found 33 dictionaries that define the word cosine:

General (24 matching dictionaries)

1. cosine: Merriam-Webster
2. cosine: Oxford Learner's Dictionaries
3. cosine: American Heritage Dictionary of the English Language
4. cosine: Collins English Dictionary
5. cosine: Vocabulary.com
6. Cosine, cosine: Wordnik
7. cosine: Cambridge Advanced Learner's Dictionary
8. cosine: Wiktionary
9. cosine: Webster's New World College Dictionary, 4th Ed.
10. cosine: The Wordsmyth English Dictionary-Thesaurus
11. cosine: Infoplease Dictionary
12. cosine: Dictionary.com
13. COSINE, Cosine: Wikipedia, the Free Encyclopedia
14. Cosine: Online Plain Text English Dictionary
15. cosine: Webster's Revised Unabridged, 1913 Edition
16. cosine: Rhymezone
17. Cosine: AllWords.com Multi-Lingual Dictionary
18. COSINE, cosine: Stammtisch Beau Fleuve Acronyms
19. cosine: FreeDictionary.org
20. cosine: Mnemonic Dictionary
21. cosine: TheFreeDictionary.com
22. cosine: Longman Dictionary of Contemporary English

Computing (3 matching dictionaries)

23. COSINE: Free On-line Dictionary of Computing
24. COSINE: CCI Computer
25. Cosine (trigonometric function), cosine: Encyclopedia

Medicine (1 matching dictionary)

26. online medical dictionary (No longer online)

Miscellaneous (2 matching dictionaries)

27. COSINE: Acronym Finder
28. AbbreviationZ (No longer online)

Science (2 matching dictionaries)

29. Cosine: Eric Weisstein's World of Mathematics
30. cosine, cosine, cosine, cosine: PlanetMath Encyclopedia

Slang (1 matching dictionary)

31. cosine: Urban Dictionary

(Note: See cosines as well.)

Definitions from Wiktionary ( ) ▸ noun:  (trigonometry) In a right triangle, the ratio of the length of the side adjacent to an acute angle to the length of the hypotenuse. Symbol: cos Similar: cosinus, trigonometric cofunction, covercosine, adjacent, adjacent angle, complementary angle, complement, complementary, linear pair, cosinor, more... Opposite: sine, tangent, cotangent, secant, cosecant Types: sine, tangent, secant, cosecant, cotangent, more... Phrases: cosine function, Direction cosine, cosine law, cosine wave, hyperbolic cosine, more... Adjectives: discrete, hyperbolic, average, mean, natural, dimensional, logarithmic, directional, trigonometric, fourier, raised Colors:     blue,     indigo,     cyan,     teal,     turquoise, more... ▸ Words similar to cosine ▸ Usage examples for cosine ▸ Idioms related to cosine ▸ Wikipedia articles (New!) ▸ Popular adjectives describing cosine ▸ Words that often appear near cosine ▸ Rhymes of cosine ▸ Invented words related to cosine