extinctionとは 意味・読み方・使い方

発音

• IPA^(key): /ɪkˈstɪŋkʃən/

名詞

extinction (countable かつ uncountable, 複数形 extinctions)

1. The action of making or becoming extinct; annihilation.
   • 1922, Dhalla, Maneckji Nusservanji, Zoroastrian Civilization‎^[1], page 41:

     Thirteen long centuries have elapsed since the extinction of the last Zoroastrian Empire […]

   • 1955, A. W. Schorger, The Passenger Pigeon: Its Natural History and Extinction, →ISBN, page vii:

     The extinction of a species once so numerous seemed incredible.

   • 2008, BioWare, Mass Effect (Science Fiction), Redwood City: Electronic Arts, →ISBN, →OCLC, PC, scene: Eden Prime:

     Dr. Manuel: You're wasting your time. The age of humanity is over. Our extinction is inevitable.

   • 2012 January 1, Donald Worster, “A Drier and Hotter Future”, in American Scientist‎^[2], volume 100, number 1, page 70:

     Phoenix and Lubbock are both caught in severe drought, and it is going to get much worse. We may see many such [dust] storms in the decades ahead, along with species extinctions, radical disturbance of ecosystems, and intensified social conflict over land and water. Welcome to the Anthropocene, the epoch when humans have become a major geological and climatic force.

   • 2022 January 12, Nigel Harris, “Comment: Unhappy start to 2022”, in RAIL, number 948, page 3:

     On the East and West Coast Main Lines in the 1950s/60s, for example, we saw the extinction of intermediate stations in order to create the same sort of accelerations that IRP is now promising. Back then, the priority was faster main line services, with wayside/intermediate stations paying the ultimate price.

2. (astronomy) The absorption or scattering of electromagnetic radiation emitted by astronomical objects by intervening dust and gas before it reaches the observer.
3. (pathology) The inability to perceive multiple stimuli simultaneously.
4. (psychology) The fading of a conditioned response over time if it is not reinforced.

派生語

関連する語

• extinctionism
• extinctionist
• extinct
• extinguish
• hemiextinction

参照

• extinction in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
• “extinction”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.

アナグラム

• ctenitoxin