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We found 31 dictionaries with English definitions that include the word reactive:
Click on the first link on a line below to go directly to a page where "reactive" is defined.

General (26 matching dictionaries)

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

Business (2 matching dictionaries)

25. reactive: Legal dictionary [home, info]
26. reactive: BusinessDictionary.com [home, info]

Computing (1 matching dictionary)

27. reactive: Encyclopedia [home, info]

Medicine (1 matching dictionary)

28. reactive: Medical dictionary [home, info]

Religion (1 matching dictionary)

29. reactive: Scientology® and Dianetics® [home, info]

(Note: See reactivity for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (reactive) ▸ adjective:  participating readily in reactions ("Sodium is a reactive metal") ▸ adjective:  tending to react to a stimulus ("The skin of the geriatric is less reactive than that of younger persons- Louis Tuft") ▸ Also see reactivity ▸ Words similar to reactive ▸ Usage examples for reactive ▸ Popular nouns described by reactive ▸ Words that often appear near reactive ▸ Rhymes of reactive ▸ Invented words related to reactive