K/T boundary

- See Also:
- - juvenescence
  - juvenile
  - juvenile court
  - juvenile delinquency
  - juvenile hormone
  - juvenilia
  - juxtapose
  - k
  - K
  - K-meson
  - K/T boundary
  - ka
  - Kaaba
  - kabaddi
  - Kabardian
  - Kabbalah
  - Kabinett
  - kabob
  - kabuki
  - Kabyle
  - Kachin
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Concise Oxford English Dictionary © 2008 Oxford University Press:
K/T boundary

▶noun Geology the boundary between the Cretaceous and Tertiary periods, about 65 million years ago, marked by the extinction of dinosaurs and many other groups of animals.

– origin from symbols for Cretaceous and Tertiary.

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K/T boundary