We found 29 dictionaries that define the word reduplication:

General (20 matching dictionaries)

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

Art (2 matching dictionaries)

21. Linguistic Glossary (No longer online)
22. Reduplication: Lexicon of Linguistics

Business (1 matching dictionary)

23. reduplication: Legal dictionary

Computing (1 matching dictionary)

24. reduplication: Encyclopedia

Medicine (4 matching dictionaries)

25. reduplication: Merriam-Webster Medical Dictionary
26. Dorland's Illustrated Medical Dictionary (No longer online)
27. online medical dictionary (No longer online)
28. reduplication: Medical dictionary

Slang (1 matching dictionary)

29. reduplication: Urban Dictionary

(Note: See reduplications as well.)

Definitions from Wiktionary (reduplication) ▸ noun:  (linguistics) The act of, or an instance of, reduplicating. ▸ noun:  (anatomy) The folding or doubling of a part or organ. Similar: reduplicature, reduplicant, retriplication, redoublement, reduplicator, duplication, redoubling, ingemination, dereplication, redubbing, more... Opposite: antonym, contradiction, opposition Phrases: reduplication cataract, more... Adjectives: partial, complete, verbal, total, full, mere, simple, internal, nominal, initial, morphological Colors:     red,     pink,     crimson,     scarlet,     ruby, more... ▸ Words similar to reduplication ▸ Usage examples for reduplication ▸ Idioms related to reduplication ▸ Wikipedia articles (New!) ▸ Popular adjectives describing reduplication ▸ Words that often appear near reduplication ▸ Rhymes of reduplication ▸ Invented words related to reduplication