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We found 49 dictionaries with English definitions that include the word extinction:
Click on the first link on a line below to go directly to a page where "extinction" is defined.

General dictionaries General (28 matching dictionaries)
  1. extinction: Merriam-Webster.com [home, info]
  2. extinction: Oxford Dictionaries [home, info]
  3. extinction: American Heritage Dictionary of the English Language [home, info]
  4. extinction: Collins English Dictionary [home, info]
  5. extinction: Vocabulary.com [home, info]
  6. extinction: Macmillan Dictionary [home, info]
  7. Extinction, extinction: Wordnik [home, info]
  8. extinction: Cambridge Advanced Learner's Dictionary [home, info]
  9. extinction: Wiktionary [home, info]
  10. extinction: Webster's New World College Dictionary, 4th Ed. [home, info]
  11. extinction: The Wordsmyth English Dictionary-Thesaurus [home, info]
  12. extinction: Infoplease Dictionary [home, info]
  13. extinction: Dictionary.com [home, info]
  14. extinction: UltraLingua English Dictionary [home, info]
  15. extinction: Cambridge Dictionary of American English [home, info]
  16. Extinction(s), Extinction (Bernhard novel), Extinction (Forgotten Realms novel), Extinction (album), Extinction (astronomy), Extinction (biology), Extinction (disambiguation), Extinction (film), Extinction (neurology), Extinction (optical mineralogy), Extinction (peerage), Extinction (physics), Extinction (psychology), Extinction (video game), Extinction: Wikipedia, the Free Encyclopedia [home, info]
  17. Extinction: Online Plain Text English Dictionary [home, info]
  18. extinction: Webster's Revised Unabridged, 1913 Edition [home, info]
  19. extinction: Rhymezone [home, info]
  20. Extinction: AllWords.com Multi-Lingual Dictionary [home, info]
  21. extinction: Webster's 1828 Dictionary [home, info]
  22. extinction: Free Dictionary [home, info]
  23. extinction: Mnemonic Dictionary [home, info]
  24. extinction: WordNet 1.7 Vocabulary Helper [home, info]
  25. extinction: LookWAYup Translating Dictionary/Thesaurus [home, info]
  26. extinction: Dictionary/thesaurus [home, info]

Business dictionaries Business (1 matching dictionary)
  1. Extinction (biology), Extinction (geology), extinction: Legal dictionary [home, info]

Computing dictionaries Computing (1 matching dictionary)
  1. Extinction (astronomy), Extinction (biology), Extinction (geology), extinction: Encyclopedia [home, info]

Medicine dictionaries Medicine (4 matching dictionaries)
  1. Extinction (Psychology): Medical Dictionary [home, info]
  2. extinction: online medical dictionary [home, info]
  3. extinction: Terms in the field of Psychiatry and Neurology [home, info]
  4. Extinction (biology), Extinction (geology), extinction: Medical dictionary [home, info]

Science dictionaries Science (11 matching dictionaries)
  1. Extinction: Eric Weisstein's World of Physics [home, info]
  2. extinction: Botanical Terms [home, info]
  3. extinction: On-Line Biology Book: GLOSSARY [home, info]
  4. Extinction: Extragalactic Astronomy [home, info]
  5. extinction: Evolution Glossary [home, info]
  6. extinction: Evolution Glossary [home, info]
  7. extinction: Anthropological Terms [home, info]
  8. extinction: Anthropology dictionary [home, info]
  9. extinction: Natural History Terms [home, info]
  10. Extinction: Glossary of Avian Terms For Use in Avian Conservation Biology [home, info]
  11. Extinction: Biodiversity [home, info]

Tech dictionaries Tech (4 matching dictionaries)
  1. Extinction: Gems and Precious Stones [home, info]
  2. extinction: Glossary of Meteorology [home, info]
  3. EXTINCTION: Lake and Water Word Glossary [home, info]
  4. extinction: Glossary of Water Resource Terms [home, info]

(Note: See extinctions for more definitions.)

Quick definitions from Macmillan (
American English Definition British English Definition

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Quick definitions from WordNet (extinction)

noun:  the act of extinguishing; causing to stop burning ("The extinction of the lights")
noun:  a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus
noun:  complete annihilation ("They think a meteor cause the extinction of the dinosaurs")
noun:  the reduction of the intensity of radiation as a consequence of absorption and radiation
noun:  no longer in existence ("The extinction of a species")
noun:  no longer active; extinguished ("The extinction of the volcano")

▸ Also see extinctions

Words similar to extinction

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Popular adjectives describing extinction

Words that often appear near extinction

Rhymes of extinction

Invented words related to extinction

Phrases that include extinction:   experimental extinction, mass extinction, de extinction, extinction event, extinction level event, more...

Words similar to extinction:   defunctness, extermination, extinguishing, quenching, experimental extinction, more...

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