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1. Dictionary

   Ex·tinc·tion

   /ikˈstiNG(k)SH(ə)n/

   

   noun

   • 1. the fact or process of a species, family, or other group of animals or plants becoming extinct: "preventing the extinction of this unique frog will require the restoration of ponds and surrounding habitats"
   • ▪ the process of a particular thing ceasing to exist: "he joined the chorus of those predicting the extinction of newsprint"
   • ▪ the wiping out of a debt: "a private debt extinction fund"
   • 2. reduction in the intensity of light or other radiation as it passes through a medium or object, due to absorption, reflection, and scattering: "ultraviolet extinction"

   Word Origin late Middle English: from Latin exstinctio(n-), from exstinguere ‘quench’ (see extinguish).

   Scrabble Points: 19

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2. www.britannica.com › science › extinction-biologyExtinction | Definition & Examples | Britannica

   www.britannica.com › science › extinction-biology

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   Aug 6, 2024 · Extinction is the dying out or extermination of a species. Learn about the different types of extinction, the causes of extinction, and the examples of extinct and endangered species from Britannica.

3. People also ask

   What causes extinction?

   • Extinction occurs when species are diminished because of environmental forces such as habitat fragmentation, climate change, natural disaster, overexploitation by humans, and pollution, or because of evolutionary changes in their members (genetic inbreeding, poor reproduction, decline in population numbers). What is extinction?

   What is extinction? | Britannica

   www.britannica.com/question/What-is-extinction

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   What does extinction mean?

   • : an act of extinguishing or an instance of being extinguished : the process of eliminating or reducing a conditioned response by not providing the stimulus with which it has become associated by conditioning : the process of eliminating or reducing a conditioned response by not reinforcing it Nglish: Translation of extinction for Spanish Speakers

   Extinction Definition & Meaning - Merriam-Webster

   www.merriam-webster.com/dictionary/extinction

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   What is the difference between extinction and threatened extinction?

   • extinction of The extinction of the dinosaurs occurred millions of years ago. in danger of extinction Many species of plants and animals are in danger of extinction (= being destroyed so that they no longer exist). threatened with extinction Several species of wildlife are threatened with extinction (= being destroyed so that they no longer exist).

   EXTINCTION | English meaning - Cambridge Dictionary

   dictionary.cambridge.org/dictionary/english/extinction

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   What is mass extinction?

   • Although extinction is an ongoing feature of Earth’s flora and fauna (the vast majority of species ever to have lived are extinct), the fossil record reveals five unusually large extinctions, called mass extinction events, each involving the demise of vast numbers of species.

   Extinction | Definition & Examples | Britannica

   www.britannica.com/science/extinction-biology

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4. www.merriam-webster.com › dictionary › extinctionExtinction Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › extinction

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   Learn the meaning of extinction as the act of making extinct or causing to be extinguished, the condition or fact of being extinct, or the process of eliminating a conditioned response. See synonyms, examples, word history, and related phrases of extinction.

5. Videos

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     byjus.com

     What Is Extinction? - Causes And Examples

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     bbc.co.uk

     What is extinction? - KS2 - The Regenerators - BBC Bitesize

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     study.com

     Extinction | Definition & Types

     Aug 21, 2013

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6. en.wikipedia.org › wiki › ExtinctionExtinction - Wikipedia

   en.wikipedia.org › wiki › Extinction

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   Extinction is the termination of a taxon by the death of its last member. A taxon may become functionally extinct before the death of its last member if it loses the capacity to reproduce and recover. Because a species' potential range may be very large, determining this moment is difficult, and is usually done retrospectively.

7. www.nationalgeographic.org › encyclopedia › extinctionExtinction - National Geographic Society

   www.nationalgeographic.org › encyclopedia › extinction

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   Oct 19, 2023 · Extinction is the complete disappearance of a species from Earth. Learn about the causes, effects, and examples of mass extinctions in the history of life on Earth, and the current threat of human-induced extinction.

8. dictionary.cambridge.org › english › extinctionEXTINCTION | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › english › extinction

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   Extinction is a situation in which something no longer exists, such as a species, a culture, or a way of life. Learn more about the meaning, usage, and examples of extinction from Cambridge Dictionary.

9. www.dictionary.com › browse › extinctionEXTINCTION Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › extinction

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   noun. the act of extinguishing. the fact or condition of being extinguished or extinct. suppression; abolition; annihilation: the extinction of an army. Biology. the act or process of becoming extinct; a coming to an end or dying out: the extinction of a species.

10. www.britannica.com › question › What-is-extinctionWhat is extinction? | Britannica

    www.britannica.com › question › What-is-extinction

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    Extinction refers to the dying out or extermination of a species. Extinction occurs when species are diminished because of environmental forces such as habitat fragmentation, climate change, natural disaster, overexploitation by humans, and pollution, or because of evolutionary changes in their members (genetic inbreeding, poor reproduction ...