We found 31 dictionaries that define the word secant:

General (21 matching dictionaries)

1. secant: Merriam-Webster
2. secant: Oxford Learner's Dictionaries
3. secant: American Heritage Dictionary of the English Language
4. secant: Collins English Dictionary
5. secant: Vocabulary.com
6. Secant, secant: Wordnik
7. secant: Wiktionary
8. secant: Webster's New World College Dictionary, 4th Ed.
9. secant: The Wordsmyth English Dictionary-Thesaurus
10. secant: Infoplease Dictionary
11. secant: Dictionary.com
12. secant: Online Etymology Dictionary
13. Secant (geometry), Secant (trigonometry), Secant: Wikipedia, the Free Encyclopedia
14. Secant: Online Plain Text English Dictionary
15. secant: Webster's Revised Unabridged, 1913 Edition
16. secant: Rhymezone
17. Secant: AllWords.com Multi-Lingual Dictionary
18. secant: Webster's 1828 Dictionary
19. secant: FreeDictionary.org
20. secant: Mnemonic Dictionary
21. secant: TheFreeDictionary.com

Business (2 matching dictionaries)

22. secant: Legal dictionary
23. secant: Financial dictionary

Computing (1 matching dictionary)

24. secant: Encyclopedia

Medicine (1 matching dictionary)

25. online medical dictionary (No longer online)

Miscellaneous (1 matching dictionary)

26. SECANT: Acronym Finder

Science (4 matching dictionaries)

27. A Glossary of Mathematical Terms (No longer online)
28. Secant: Eric Weisstein's World of Mathematics
29. secant: MATH SPOKEN HERE!
30. secant, secant, secant: PlanetMath Encyclopedia

Slang (1 matching dictionary)

31. secant: Urban Dictionary

(Note: See secants as well.)

Definitions from Wiktionary (secant) ▸ noun:  (geometry) A straight line that intersects a curve at two or more points. ▸ noun:  (trigonometry) In a right triangle, the reciprocal of the cosine of an angle. Symbol: sec ▸ adjective:  That cuts or divides. Similar: conchoid, tangent, bitangent, double point, osculating circle, osculation, applicate, point of tangency, curve, tangent line, more... Types: cosecant, cotangent, more... Phrases: secant method, Secant line, hyperbolic secant, secant function, inverse secant, more... Adjectives: hyperbolic, whole, other, tangent, common, external, second, sec, natural, variable, entire ▸ Word origin ▸ Words similar to secant ▸ Usage examples for secant ▸ Idioms related to secant ▸ Wikipedia articles (New!) ▸ Popular adjectives describing secant ▸ Popular nouns described by secant ▸ Words that often appear near secant ▸ Rhymes of secant ▸ Invented words related to secant