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We found 66 dictionaries with English definitions that include the word catalyst:
Click on the first link on a line below to go directly to a page where "catalyst" is defined.

General dictionaries General (28 matching dictionaries)
  1. catalyst: Merriam-Webster.com [home, info]
  2. catalyst: Oxford Learner's Dictionaries [home, info]
  3. catalyst: American Heritage Dictionary of the English Language [home, info]
  4. catalyst: Collins English Dictionary [home, info]
  5. catalyst: Vocabulary.com [home, info]
  6. catalyst: Macmillan Dictionary [home, info]
  7. Catalyst, catalyst: Wordnik [home, info]
  8. catalyst: Cambridge Advanced Learner's Dictionary [home, info]
  9. catalyst: Wiktionary [home, info]
  10. catalyst: Webster's New World College Dictionary, 4th Ed. [home, info]
  11. catalyst: V2 Vocabulary Building Dictionary [home, info]
  12. catalyst: The Wordsmyth English Dictionary-Thesaurus [home, info]
  13. catalyst: Infoplease Dictionary [home, info]
  14. catalyst: Dictionary.com [home, info]
  15. catalyst: Online Etymology Dictionary [home, info]
  16. catalyst: UltraLingua English Dictionary [home, info]
  17. catalyst: Cambridge Dictionary of American English [home, info]
  18. Catalyst (New Found Glory album), Catalyst (Prototype album), Catalyst (TV program), Catalyst (band), Catalyst (building), Catalyst (disambiguation), Catalyst (journal), Catalyst (magazine), Catalyst (nonprofit organization), Catalyst (novel), Catalyst (role-playing game supplements), Catalyst (science park), Catalyst (software), Catalyst (think tank), Catalyst, The Catalyst (newspaper), The Catalyst: Wikipedia, the Free Encyclopedia [home, info]
  19. catalyst: Rhymezone [home, info]
  20. catalyst: AllWords.com Multi-Lingual Dictionary [home, info]
  21. catalyst: Free Dictionary [home, info]
  22. catalyst: Hutchinson Dictionaries [home, info]
  23. catalyst: Mnemonic Dictionary [home, info]
  24. catalyst: WordNet 1.7 Vocabulary Helper [home, info]
  25. catalyst: LookWAYup Translating Dictionary/Thesaurus [home, info]
  26. catalyst: Dictionary/thesaurus [home, info]

Art dictionaries Art (1 matching dictionary)
  1. catalyst: ArtLex Lexicon of Visual Art Terminology [home, info]

Business dictionaries Business (4 matching dictionaries)
  1. Catalyst: Construction Term Glossary [home, info]
  2. Catalyst: Investopedia [home, info]
  3. catalyst: Legal dictionary [home, info]
  4. catalyst: BusinessDictionary.com [home, info]

Computing dictionaries Computing (2 matching dictionaries)
  1. Catalyst: Cybernetics and Systems [home, info]
  2. catalyst: Encyclopedia [home, info]

Medicine dictionaries Medicine (7 matching dictionaries)
  1. Catalyst: MedTerms.com Medical Dictionary [home, info]
  2. catalyst: online medical dictionary [home, info]
  3. Catalyst: Hepatitis C Information Central [home, info]
  4. catalyst: Glossary of HIV/AIDS Related Terms [home, info]
  5. catalyst: Medical dictionary [home, info]
  6. catalyst: Vitamin Glossary [home, info]
  7. Catalyst: Drug Medical Dictionary [home, info]

Science dictionaries Science (7 matching dictionaries)
  1. catalyst: Electrochemistry Dictionary [home, info]
  2. Catalyst: Chemistry Dictionary [home, info]
  3. Catalyst: Biology dictionary [home, info]
  4. Catalyst: Eric Weisstein's World of Chemistry [home, info]
  5. catalyst: General Chemistry Online [home, info]
  6. catalyst: UNCChem Glossary [home, info]

Slang dictionaries Slang (1 matching dictionary)
  1. catalyst: Urban Dictionary [home, info]

Tech dictionaries Tech (16 matching dictionaries)
  1. catalyst: Book Binding [home, info]
  2. Catalyst: Glossary of Air Pollution Terms [home, info]
  3. Catalyst: AUTOMOTIVE TERMS [home, info]
  4. Catalyst: Dairy Glossary [home, info]
  5. Catalyst: Glossary of Terms on Engines and Emissions [home, info]
  6. CATALYST: Glossary of Composite Terms [home, info]
  7. Catalyst: Construction deterioration & building durability glossary [home, info]
  8. CATALYST: Glossary of Common Hearth and Heating Terms [home, info]
  9. Catalyst: Explosives [home, info]
  10. Catalyst: K & A glossary [home, info]
  11. Catalyst: National Glass Association Glossary [home, info]
  12. CATALYST: Lake and Water Word Glossary [home, info]
  13. Catalyst: PUMP AND SEAL TERMS [home, info]
  14. Catalyst: Fiberglass Glossary [home, info]
  15. Catalyst: Oil Analysis [home, info]
  16. CATALYST: Industry Terms for Fiberglass [home, info]

(Note: See catalysts for more definitions.)

Quick definitions from Macmillan (
American English Definition British English Definition

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Quick definitions from WordNet (catalyst)

noun:  something that causes an important event to happen ("The invasion acted as a catalyst to unite the country")
noun:  (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected

▸ Also see catalysts
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Phrases that include catalyst:   heterogeneous catalyst, phase transfer catalyst, catalyst coke, grubbs catalyst, three-way catalyst, more...

Words similar to catalyst:   accelerator, agent, more...

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