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We found 57 dictionaries with English definitions that include the word reduction:
Click on the first link on a line below to go directly to a page where "reduction" is defined.

General (29 matching dictionaries)

1. reduction: Merriam-Webster.com [home, info]
2. reduction: Oxford Learner's Dictionaries [home, info]
3. reduction: American Heritage Dictionary of the English Language [home, info]
4. reduction: Collins English Dictionary [home, info]
5. reduction: Vocabulary.com [home, info]
6. reduction: Macmillan Dictionary [home, info]
7. Reduction, reduction: Wordnik [home, info]
8. reduction: Cambridge Advanced Learner's Dictionary [home, info]
9. reduction: Wiktionary [home, info]
10. reduction: Webster's New World College Dictionary, 4th Ed. [home, info]
11. reduction: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. reduction: Infoplease Dictionary [home, info]
13. reduction: Cambridge Dictionary of American English [home, info]
14. Reduction (complexity), Reduction (cooking), Reduction (disambiguation), Reduction (linguistics), Reduction (mathematics), Reduction (military), Reduction (music), Reduction (orthopedic surgery), Reduction (philosophy), Reduction (recursion theory), Reduction: Wikipedia, the Free Encyclopedia [home, info]
15. Reduction: Online Plain Text English Dictionary [home, info]
16. reduction: Webster's Revised Unabridged, 1913 Edition [home, info]
17. reduction: Rhymezone [home, info]
18. reduction: AllWords.com Multi-Lingual Dictionary [home, info]
19. reduction: Webster's 1828 Dictionary [home, info]
20. reduction: Free Dictionary [home, info]
21. reduction: Mnemonic Dictionary [home, info]
22. reduction: WordNet 1.7 Vocabulary Helper [home, info]
23. reduction: LookWAYup Translating Dictionary/Thesaurus [home, info]
24. reduction, reduction (photographic): Dictionary/thesaurus [home, info]
25. Reduction (Sweden), Reduction (chemistry): Wikipedia, the Free Encyclopedia [home, info]
26. reduction: UltraLingua English Dictionary [home, info]
27. reduction: Dictionary.com [home, info]

Art (2 matching dictionaries)

28. Reduction: Virginia Tech Multimedia Music Dictionary [home, info]
29. reduction: ODLIS: Online Dictionary of Library and Information Science [home, info]

Business (2 matching dictionaries)

30. reduction: Legal dictionary [home, info]
31. reduction: BusinessDictionary.com [home, info]

Computing (3 matching dictionaries)

32. reduction: Free On-line Dictionary of Computing [home, info]
33. reduction: Dictionary of Algorithms and Data Structures [home, info]
34. Reduction (chemistry), reduction: Encyclopedia [home, info]

Medicine (4 matching dictionaries)

35. reduction: online medical dictionary [home, info]
36. reduction: Neurotrauma Glossary [home, info]
37. Reduction (chemistry), reduction: Medical dictionary [home, info]
38. reduction: Vitamin Glossary [home, info]

Science (9 matching dictionaries)

39. reduction: Electrochemistry Dictionary [home, info]
40. reduction: Archaeology Wordsmith [home, info]
41. Reduction: Eric Weisstein's World of Chemistry [home, info]
42. reduction: PHYSICAL ORGANIC CHEMISTRY [home, info]
43. Reduction: Material Safety Data Sheets HyperGlossary [home, info]
44. reduction: General Chemistry Online [home, info]
45. reduction, reduction, reduction: PlanetMath Encyclopedia [home, info]
46. Reduction: Geography Dictionary [home, info]
47. reduction: FOLDOP - Free On Line Dictionary Of Philosophy [home, info]

Sports (1 matching dictionary)

48. Reduction: 2060 Shadow-Slang [home, info]

Tech (7 matching dictionaries)

49. Reduction: AUTOMOTIVE TERMS [home, info]
50. reduction, reduction (photographic): DOD Dictionary of Military Terms [home, info]
51. Reduction: A to Z of Terms related to the Thermal Spray Process and Surface Engineering [home, info]
52. reduction: Glossary of Meteorology [home, info]
53. Reduction: PhotoNotes Dictionary of Film and Digital Photography [home, info]
54. Reduction: Pottery Studio [home, info]
55. REDUCTION: Power Engineering [home, info]

(Note: See reductions for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (reduction) ▸ noun:  the act of reducing complexity ▸ noun:  any process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen); always occurs accompanied by oxidation of the reducing agent ▸ noun:  the act of decreasing or reducing something ▸ Also see reductions ▸ Words similar to reduction ▸ Usage examples for reduction ▸ Idioms related to reduction (New!) ▸ Popular adjectives describing reduction ▸ Words that often appear near reduction ▸ Rhymes of reduction ▸ Invented words related to reduction