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We found 28 dictionaries with English definitions that include the word quadratic:
Click on the first link on a line below to go directly to a page where "quadratic" is defined.

General (24 matching dictionaries)

1. quadratic: Merriam-Webster.com [home, info]
2. quadratic: Oxford Learner's Dictionaries [home, info]
3. quadratic: American Heritage Dictionary of the English Language [home, info]
4. quadratic: Collins English Dictionary [home, info]
5. quadratic: Vocabulary.com [home, info]
6. Quadratic, quadratic: Wordnik [home, info]
7. quadratic: Wiktionary [home, info]
8. quadratic: Webster's New World College Dictionary, 4th Ed. [home, info]
9. quadratic: The Wordsmyth English Dictionary-Thesaurus [home, info]
10. quadratic: Infoplease Dictionary [home, info]
11. quadratic: Dictionary.com [home, info]
12. quadratic: Online Etymology Dictionary [home, info]
13. quadratic: UltraLingua English Dictionary [home, info]
14. Quadratic (collection), Quadratic (disambiguation), Quadratic: Wikipedia, the Free Encyclopedia [home, info]
15. Quadratic: Online Plain Text English Dictionary [home, info]
16. quadratic: Webster's Revised Unabridged, 1913 Edition [home, info]
17. quadratic: Rhymezone [home, info]
18. Quadratic: AllWords.com Multi-Lingual Dictionary [home, info]
19. quadratic: Webster's 1828 Dictionary [home, info]
20. quadratic: Free Dictionary [home, info]
21. quadratic: Mnemonic Dictionary [home, info]
22. quadratic: WordNet 1.7 Vocabulary Helper [home, info]
23. quadratic: LookWAYup Translating Dictionary/Thesaurus [home, info]
24. quadratic: Dictionary/thesaurus [home, info]

Computing (1 matching dictionary)

25. quadratic: Encyclopedia [home, info]

Medicine (1 matching dictionary)

26. quadratic: online medical dictionary [home, info]

Science (2 matching dictionaries)

27. Quadratic: Eric Weisstein's World of Mathematics [home, info]
28. quadratic: MATH SPOKEN HERE! [home, info]

(Note: See quadratics for more definitions.)

Quick definitions from WordNet (quadratic) ▸ noun:  a polynomial of the second degree ▸ noun:  an equation in which the highest power of an unknown quantity is a square ▸ adjective:  of or relating to the second power ("Quadratic equation") ▸ adjective:  of or relating to or resembling a square ("Quadratic shapes") ▸ Also see quadratics ▸ Word origin ▸ Words similar to quadratic ▸ Usage examples for quadratic ▸ Idioms related to quadratic (New!) ▸ Popular adjectives describing quadratic ▸ Popular nouns described by quadratic ▸ Words that often appear near quadratic ▸ Rhymes of quadratic ▸ Invented words related to quadratic